Home / 11,475.26-15,829.43-7,224.74

Finding the Fourth Proportional to 11,475.26, 15,829.43 and 7,224.74

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Solution

The fourth proportional to 11,475.26, 15,829.43 and 7,224.74 is: 9,966.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,475.26 : 15,829.43 = 7,224.74 : x
  2. Step 2: Convert to fraction form
    11,475.26/15,829.43 = 7,224.74/x
  3. Step 3: Cross multiply
    11,475.26x = 15,829.43 × 7,224.74
  4. Step 4: Simplify right side
    11,475.26x = 114,363,516.10
  5. Step 5: Solve for x
    x = 114,363,516.10/11,475.26
  6. Step 6: Final answer
    x = 9,966.09

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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.