Home / 9,327.58-12,871.68-5,345.92

Finding the Fourth Proportional to 9,327.58, 12,871.68 and 5,345.92

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Solution

The fourth proportional to 9,327.58, 12,871.68 and 5,345.92 is: 7,377.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.58 : 12,871.68 = 5,345.92 : x
  2. Step 2: Convert to fraction form
    9,327.58/12,871.68 = 5,345.92/x
  3. Step 3: Cross multiply
    9,327.58x = 12,871.68 × 5,345.92
  4. Step 4: Simplify right side
    9,327.58x = 68,810,971.55
  5. Step 5: Solve for x
    x = 68,810,971.55/9,327.58
  6. Step 6: Final answer
    x = 7,377.15

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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.