Home / 9,017.16-12,445.04-5,479.68

Finding the Fourth Proportional to 9,017.16, 12,445.04 and 5,479.68

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Solution

The fourth proportional to 9,017.16, 12,445.04 and 5,479.68 is: 7,562.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,017.16 : 12,445.04 = 5,479.68 : x
  2. Step 2: Convert to fraction form
    9,017.16/12,445.04 = 5,479.68/x
  3. Step 3: Cross multiply
    9,017.16x = 12,445.04 × 5,479.68
  4. Step 4: Simplify right side
    9,017.16x = 68,194,897.16
  5. Step 5: Solve for x
    x = 68,194,897.16/9,017.16
  6. Step 6: Final answer
    x = 7,562.79

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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.