Home / 10,925.16-15,079.20-7,735.13

Finding the Fourth Proportional to 10,925.16, 15,079.20 and 7,735.13

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Solution

The fourth proportional to 10,925.16, 15,079.20 and 7,735.13 is: 10,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.16 : 15,079.20 = 7,735.13 : x
  2. Step 2: Convert to fraction form
    10,925.16/15,079.20 = 7,735.13/x
  3. Step 3: Cross multiply
    10,925.16x = 15,079.20 × 7,735.13
  4. Step 4: Simplify right side
    10,925.16x = 116,639,524.44
  5. Step 5: Solve for x
    x = 116,639,524.44/10,925.16
  6. Step 6: Final answer
    x = 10,676.23

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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.