Home / 10,562.49-14,543.69-9,381.51

Finding the Fourth Proportional to 10,562.49, 14,543.69 and 9,381.51

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Solution

The fourth proportional to 10,562.49, 14,543.69 and 9,381.51 is: 12,917.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,562.49 : 14,543.69 = 9,381.51 : x
  2. Step 2: Convert to fraction form
    10,562.49/14,543.69 = 9,381.51/x
  3. Step 3: Cross multiply
    10,562.49x = 14,543.69 × 9,381.51
  4. Step 4: Simplify right side
    10,562.49x = 136,441,726.26
  5. Step 5: Solve for x
    x = 136,441,726.26/10,562.49
  6. Step 6: Final answer
    x = 12,917.57

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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.