Home / 9,173.87-12,659.93-5,397.04

Finding the Fourth Proportional to 9,173.87, 12,659.93 and 5,397.04

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Solution

The fourth proportional to 9,173.87, 12,659.93 and 5,397.04 is: 7,447.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,173.87 : 12,659.93 = 5,397.04 : x
  2. Step 2: Convert to fraction form
    9,173.87/12,659.93 = 5,397.04/x
  3. Step 3: Cross multiply
    9,173.87x = 12,659.93 × 5,397.04
  4. Step 4: Simplify right side
    9,173.87x = 68,326,148.61
  5. Step 5: Solve for x
    x = 68,326,148.61/9,173.87
  6. Step 6: Final answer
    x = 7,447.91

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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.