Home / 8,936.24-12,332.57-5,160.10

Finding the Fourth Proportional to 8,936.24, 12,332.57 and 5,160.10

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Solution

The fourth proportional to 8,936.24, 12,332.57 and 5,160.10 is: 7,121.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,936.24 : 12,332.57 = 5,160.10 : x
  2. Step 2: Convert to fraction form
    8,936.24/12,332.57 = 5,160.10/x
  3. Step 3: Cross multiply
    8,936.24x = 12,332.57 × 5,160.10
  4. Step 4: Simplify right side
    8,936.24x = 63,637,294.46
  5. Step 5: Solve for x
    x = 63,637,294.46/8,936.24
  6. Step 6: Final answer
    x = 7,121.26

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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.