Home / 9,507.97-13,115.73-5,528.65

Finding the Fourth Proportional to 9,507.97, 13,115.73 and 5,528.65

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Solution

The fourth proportional to 9,507.97, 13,115.73 and 5,528.65 is: 7,626.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,507.97 : 13,115.73 = 5,528.65 : x
  2. Step 2: Convert to fraction form
    9,507.97/13,115.73 = 5,528.65/x
  3. Step 3: Cross multiply
    9,507.97x = 13,115.73 × 5,528.65
  4. Step 4: Simplify right side
    9,507.97x = 72,512,228.91
  5. Step 5: Solve for x
    x = 72,512,228.91/9,507.97
  6. Step 6: Final answer
    x = 7,626.47

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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.