Home / 8,971.08-13,458.96-5,276.52

Finding the Fourth Proportional to 8,971.08, 13,458.96 and 5,276.52

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Solution

The fourth proportional to 8,971.08, 13,458.96 and 5,276.52 is: 7,916.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,971.08 : 13,458.96 = 5,276.52 : x
  2. Step 2: Convert to fraction form
    8,971.08/13,458.96 = 5,276.52/x
  3. Step 3: Cross multiply
    8,971.08x = 13,458.96 × 5,276.52
  4. Step 4: Simplify right side
    8,971.08x = 71,016,471.62
  5. Step 5: Solve for x
    x = 71,016,471.62/8,971.08
  6. Step 6: Final answer
    x = 7,916.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.