Home / 11,437.53-15,779.13-6,957.69

Finding the Fourth Proportional to 11,437.53, 15,779.13 and 6,957.69

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Solution

The fourth proportional to 11,437.53, 15,779.13 and 6,957.69 is: 9,598.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,437.53 : 15,779.13 = 6,957.69 : x
  2. Step 2: Convert to fraction form
    11,437.53/15,779.13 = 6,957.69/x
  3. Step 3: Cross multiply
    11,437.53x = 15,779.13 × 6,957.69
  4. Step 4: Simplify right side
    11,437.53x = 109,786,295.01
  5. Step 5: Solve for x
    x = 109,786,295.01/11,437.53
  6. Step 6: Final answer
    x = 9,598.78

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Half scale
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Double 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.