Home / 10,121.29-15,177.07-5,737.57

Finding the Fourth Proportional to 10,121.29, 15,177.07 and 5,737.57

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Solution

The fourth proportional to 10,121.29, 15,177.07 and 5,737.57 is: 8,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,121.29 : 15,177.07 = 5,737.57 : x
  2. Step 2: Convert to fraction form
    10,121.29/15,177.07 = 5,737.57/x
  3. Step 3: Cross multiply
    10,121.29x = 15,177.07 × 5,737.57
  4. Step 4: Simplify right side
    10,121.29x = 87,079,501.52
  5. Step 5: Solve for x
    x = 87,079,501.52/10,121.29
  6. Step 6: Final answer
    x = 8,603.60

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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.