Home / 11,227.02-15,488.28-7,246.68

Finding the Fourth Proportional to 11,227.02, 15,488.28 and 7,246.68

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Solution

The fourth proportional to 11,227.02, 15,488.28 and 7,246.68 is: 9,997.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,227.02 : 15,488.28 = 7,246.68 : x
  2. Step 2: Convert to fraction form
    11,227.02/15,488.28 = 7,246.68/x
  3. Step 3: Cross multiply
    11,227.02x = 15,488.28 × 7,246.68
  4. Step 4: Simplify right side
    11,227.02x = 112,238,608.91
  5. Step 5: Solve for x
    x = 112,238,608.91/11,227.02
  6. Step 6: Final answer
    x = 9,997.19

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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.