Home / 15,516.16-23,275.60-4,987.12

Finding the Fourth Proportional to 15,516.16, 23,275.60 and 4,987.12

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Solution

The fourth proportional to 15,516.16, 23,275.60 and 4,987.12 is: 7,481.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,516.16 : 23,275.60 = 4,987.12 : x
  2. Step 2: Convert to fraction form
    15,516.16/23,275.60 = 4,987.12/x
  3. Step 3: Cross multiply
    15,516.16x = 23,275.60 × 4,987.12
  4. Step 4: Simplify right side
    15,516.16x = 116,078,211.31
  5. Step 5: Solve for x
    x = 116,078,211.31/15,516.16
  6. Step 6: Final answer
    x = 7,481.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.