Home / 9,177.15-12,657.42-6,188.25

Finding the Fourth Proportional to 9,177.15, 12,657.42 and 6,188.25

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Solution

The fourth proportional to 9,177.15, 12,657.42 and 6,188.25 is: 8,535.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177.15 : 12,657.42 = 6,188.25 : x
  2. Step 2: Convert to fraction form
    9,177.15/12,657.42 = 6,188.25/x
  3. Step 3: Cross multiply
    9,177.15x = 12,657.42 × 6,188.25
  4. Step 4: Simplify right side
    9,177.15x = 78,327,279.32
  5. Step 5: Solve for x
    x = 78,327,279.32/9,177.15
  6. Step 6: Final answer
    x = 8,535.03

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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.