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Finding the Fourth Proportional to 6,698.76, 9,245.14 and 4,401.11

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Solution

The fourth proportional to 6,698.76, 9,245.14 and 4,401.11 is: 6,074.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,698.76 : 9,245.14 = 4,401.11 : x
  2. Step 2: Convert to fraction form
    6,698.76/9,245.14 = 4,401.11/x
  3. Step 3: Cross multiply
    6,698.76x = 9,245.14 × 4,401.11
  4. Step 4: Simplify right side
    6,698.76x = 40,688,878.11
  5. Step 5: Solve for x
    x = 40,688,878.11/6,698.76
  6. Step 6: Final answer
    x = 6,074.09

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Half scale
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Double scale
Find fourth proportional to 6,699.76, 9,246.52 and 4,402.11
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.