Home / 10,237.66-14,128.04-5,761.49

Finding the Fourth Proportional to 10,237.66, 14,128.04 and 5,761.49

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Solution

The fourth proportional to 10,237.66, 14,128.04 and 5,761.49 is: 7,950.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237.66 : 14,128.04 = 5,761.49 : x
  2. Step 2: Convert to fraction form
    10,237.66/14,128.04 = 5,761.49/x
  3. Step 3: Cross multiply
    10,237.66x = 14,128.04 × 5,761.49
  4. Step 4: Simplify right side
    10,237.66x = 81,398,561.18
  5. Step 5: Solve for x
    x = 81,398,561.18/10,237.66
  6. Step 6: Final answer
    x = 7,950.90

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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.