Home / 6,678.04-9,205.86-5,257.17

Finding the Fourth Proportional to 6,678.04, 9,205.86 and 5,257.17

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Solution

The fourth proportional to 6,678.04, 9,205.86 and 5,257.17 is: 7,247.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,678.04 : 9,205.86 = 5,257.17 : x
  2. Step 2: Convert to fraction form
    6,678.04/9,205.86 = 5,257.17/x
  3. Step 3: Cross multiply
    6,678.04x = 9,205.86 × 5,257.17
  4. Step 4: Simplify right side
    6,678.04x = 48,396,771.02
  5. Step 5: Solve for x
    x = 48,396,771.02/6,678.04
  6. Step 6: Final answer
    x = 7,247.15

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Half scale
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Double scale
Find fourth proportional to 6,679.04, 9,207.24 and 5,258.17
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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.