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Finding the Fourth Proportional to 11,111.52, 15,335.52 and 7,334.04

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Solution

The fourth proportional to 11,111.52, 15,335.52 and 7,334.04 is: 10,122.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,111.52 : 15,335.52 = 7,334.04 : x
  2. Step 2: Convert to fraction form
    11,111.52/15,335.52 = 7,334.04/x
  3. Step 3: Cross multiply
    11,111.52x = 15,335.52 × 7,334.04
  4. Step 4: Simplify right side
    11,111.52x = 112,471,317.10
  5. Step 5: Solve for x
    x = 112,471,317.10/11,111.52
  6. Step 6: Final answer
    x = 10,122.05

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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.