Home / 11,112.53-15,337.49-7,335.90

Finding the Fourth Proportional to 11,112.53, 15,337.49 and 7,335.90

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Solution

The fourth proportional to 11,112.53, 15,337.49 and 7,335.90 is: 10,124.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,112.53 : 15,337.49 = 7,335.90 : x
  2. Step 2: Convert to fraction form
    11,112.53/15,337.49 = 7,335.90/x
  3. Step 3: Cross multiply
    11,112.53x = 15,337.49 × 7,335.90
  4. Step 4: Simplify right side
    11,112.53x = 112,514,256.21
  5. Step 5: Solve for x
    x = 112,514,256.21/11,112.53
  6. Step 6: Final answer
    x = 10,124.99

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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.