Home / 8,437.16-11,646.12-5,788.52

Finding the Fourth Proportional to 8,437.16, 11,646.12 and 5,788.52

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Solution

The fourth proportional to 8,437.16, 11,646.12 and 5,788.52 is: 7,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,437.16 : 11,646.12 = 5,788.52 : x
  2. Step 2: Convert to fraction form
    8,437.16/11,646.12 = 5,788.52/x
  3. Step 3: Cross multiply
    8,437.16x = 11,646.12 × 5,788.52
  4. Step 4: Simplify right side
    8,437.16x = 67,413,798.54
  5. Step 5: Solve for x
    x = 67,413,798.54/8,437.16
  6. Step 6: Final answer
    x = 7,990.11

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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.