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Finding the Fourth Proportional to 11,373.90, 15,695.94 and 6,338.08

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Solution

The fourth proportional to 11,373.90, 15,695.94 and 6,338.08 is: 8,746.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,373.90 : 15,695.94 = 6,338.08 : x
  2. Step 2: Convert to fraction form
    11,373.90/15,695.94 = 6,338.08/x
  3. Step 3: Cross multiply
    11,373.90x = 15,695.94 × 6,338.08
  4. Step 4: Simplify right side
    11,373.90x = 99,482,123.40
  5. Step 5: Solve for x
    x = 99,482,123.40/11,373.90
  6. Step 6: Final answer
    x = 8,746.53

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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.