Home / 10,932.50-15,081.44-6,897.48

Finding the Fourth Proportional to 10,932.50, 15,081.44 and 6,897.48

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Solution

The fourth proportional to 10,932.50, 15,081.44 and 6,897.48 is: 9,515.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,932.50 : 15,081.44 = 6,897.48 : x
  2. Step 2: Convert to fraction form
    10,932.50/15,081.44 = 6,897.48/x
  3. Step 3: Cross multiply
    10,932.50x = 15,081.44 × 6,897.48
  4. Step 4: Simplify right side
    10,932.50x = 104,023,930.77
  5. Step 5: Solve for x
    x = 104,023,930.77/10,932.50
  6. Step 6: Final answer
    x = 9,515.11

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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.