Home / 11,130.02-15,358.76-6,349.30

Finding the Fourth Proportional to 11,130.02, 15,358.76 and 6,349.30

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Solution

The fourth proportional to 11,130.02, 15,358.76 and 6,349.30 is: 8,761.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,130.02 : 15,358.76 = 6,349.30 : x
  2. Step 2: Convert to fraction form
    11,130.02/15,358.76 = 6,349.30/x
  3. Step 3: Cross multiply
    11,130.02x = 15,358.76 × 6,349.30
  4. Step 4: Simplify right side
    11,130.02x = 97,517,374.87
  5. Step 5: Solve for x
    x = 97,517,374.87/11,130.02
  6. Step 6: Final answer
    x = 8,761.65

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Half scale
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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.