Home / 9,319.46-12,858.75-6,802.94

Finding the Fourth Proportional to 9,319.46, 12,858.75 and 6,802.94

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Solution

The fourth proportional to 9,319.46, 12,858.75 and 6,802.94 is: 9,386.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,319.46 : 12,858.75 = 6,802.94 : x
  2. Step 2: Convert to fraction form
    9,319.46/12,858.75 = 6,802.94/x
  3. Step 3: Cross multiply
    9,319.46x = 12,858.75 × 6,802.94
  4. Step 4: Simplify right side
    9,319.46x = 87,477,336.87
  5. Step 5: Solve for x
    x = 87,477,336.87/9,319.46
  6. Step 6: Final answer
    x = 9,386.52

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Half scale
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Double scale
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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.