Home / 8,770.60-13,150.74-2,925.64

Finding the Fourth Proportional to 8,770.60, 13,150.74 and 2,925.64

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Solution

The fourth proportional to 8,770.60, 13,150.74 and 2,925.64 is: 4,386.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,770.60 : 13,150.74 = 2,925.64 : x
  2. Step 2: Convert to fraction form
    8,770.60/13,150.74 = 2,925.64/x
  3. Step 3: Cross multiply
    8,770.60x = 13,150.74 × 2,925.64
  4. Step 4: Simplify right side
    8,770.60x = 38,474,330.97
  5. Step 5: Solve for x
    x = 38,474,330.97/8,770.60
  6. Step 6: Final answer
    x = 4,386.74

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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.