Home / 10,625.20-16,001.05-9,255.08

Finding the Fourth Proportional to 10,625.20, 16,001.05 and 9,255.08

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Solution

The fourth proportional to 10,625.20, 16,001.05 and 9,255.08 is: 13,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625.20 : 16,001.05 = 9,255.08 : x
  2. Step 2: Convert to fraction form
    10,625.20/16,001.05 = 9,255.08/x
  3. Step 3: Cross multiply
    10,625.20x = 16,001.05 × 9,255.08
  4. Step 4: Simplify right side
    10,625.20x = 148,091,037.84
  5. Step 5: Solve for x
    x = 148,091,037.84/10,625.20
  6. Step 6: Final answer
    x = 13,937.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.