Home / 11,060.40-15,265.44-6,347.76

Finding the Fourth Proportional to 11,060.40, 15,265.44 and 6,347.76

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Solution

The fourth proportional to 11,060.40, 15,265.44 and 6,347.76 is: 8,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,060.40 : 15,265.44 = 6,347.76 : x
  2. Step 2: Convert to fraction form
    11,060.40/15,265.44 = 6,347.76/x
  3. Step 3: Cross multiply
    11,060.40x = 15,265.44 × 6,347.76
  4. Step 4: Simplify right side
    11,060.40x = 96,901,349.41
  5. Step 5: Solve for x
    x = 96,901,349.41/11,060.40
  6. Step 6: Final answer
    x = 8,761.11

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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.