Home / 7,155.16-9,863.76-5,024.20

Finding the Fourth Proportional to 7,155.16, 9,863.76 and 5,024.20

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Solution

The fourth proportional to 7,155.16, 9,863.76 and 5,024.20 is: 6,926.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,155.16 : 9,863.76 = 5,024.20 : x
  2. Step 2: Convert to fraction form
    7,155.16/9,863.76 = 5,024.20/x
  3. Step 3: Cross multiply
    7,155.16x = 9,863.76 × 5,024.20
  4. Step 4: Simplify right side
    7,155.16x = 49,557,502.99
  5. Step 5: Solve for x
    x = 49,557,502.99/7,155.16
  6. Step 6: Final answer
    x = 6,926.12

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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.