Home / 10,931.22-16,398.72-6,256.44

Finding the Fourth Proportional to 10,931.22, 16,398.72 and 6,256.44

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Solution

The fourth proportional to 10,931.22, 16,398.72 and 6,256.44 is: 9,385.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,931.22 : 16,398.72 = 6,256.44 : x
  2. Step 2: Convert to fraction form
    10,931.22/16,398.72 = 6,256.44/x
  3. Step 3: Cross multiply
    10,931.22x = 16,398.72 × 6,256.44
  4. Step 4: Simplify right side
    10,931.22x = 102,597,607.76
  5. Step 5: Solve for x
    x = 102,597,607.76/10,931.22
  6. Step 6: Final answer
    x = 9,385.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.