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Finding the Fourth Proportional to 7,167.69, 9,886.59 and 4,373.19

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Solution

The fourth proportional to 7,167.69, 9,886.59 and 4,373.19 is: 6,032.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167.69 : 9,886.59 = 4,373.19 : x
  2. Step 2: Convert to fraction form
    7,167.69/9,886.59 = 4,373.19/x
  3. Step 3: Cross multiply
    7,167.69x = 9,886.59 × 4,373.19
  4. Step 4: Simplify right side
    7,167.69x = 43,235,936.52
  5. Step 5: Solve for x
    x = 43,235,936.52/7,167.69
  6. Step 6: Final answer
    x = 6,032.06

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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.