Home / 10,531.46-14,535.70-7,182.26

Finding the Fourth Proportional to 10,531.46, 14,535.70 and 7,182.26

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Solution

The fourth proportional to 10,531.46, 14,535.70 and 7,182.26 is: 9,913.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.46 : 14,535.70 = 7,182.26 : x
  2. Step 2: Convert to fraction form
    10,531.46/14,535.70 = 7,182.26/x
  3. Step 3: Cross multiply
    10,531.46x = 14,535.70 × 7,182.26
  4. Step 4: Simplify right side
    10,531.46x = 104,399,176.68
  5. Step 5: Solve for x
    x = 104,399,176.68/10,531.46
  6. Step 6: Final answer
    x = 9,913.08

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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.