Home / 8,895.20-13,342.80-5,597.60

Finding the Fourth Proportional to 8,895.20, 13,342.80 and 5,597.60

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Solution

The fourth proportional to 8,895.20, 13,342.80 and 5,597.60 is: 8,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,895.20 : 13,342.80 = 5,597.60 : x
  2. Step 2: Convert to fraction form
    8,895.20/13,342.80 = 5,597.60/x
  3. Step 3: Cross multiply
    8,895.20x = 13,342.80 × 5,597.60
  4. Step 4: Simplify right side
    8,895.20x = 74,687,657.28
  5. Step 5: Solve for x
    x = 74,687,657.28/8,895.20
  6. Step 6: Final answer
    x = 8,396.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.