Home / 7,011.60-10,517.40-5,969.20

Finding the Fourth Proportional to 7,011.60, 10,517.40 and 5,969.20

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Solution

The fourth proportional to 7,011.60, 10,517.40 and 5,969.20 is: 8,953.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,011.60 : 10,517.40 = 5,969.20 : x
  2. Step 2: Convert to fraction form
    7,011.60/10,517.40 = 5,969.20/x
  3. Step 3: Cross multiply
    7,011.60x = 10,517.40 × 5,969.20
  4. Step 4: Simplify right side
    7,011.60x = 62,780,464.08
  5. Step 5: Solve for x
    x = 62,780,464.08/7,011.60
  6. Step 6: Final answer
    x = 8,953.80

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Half scale
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Similar ratio
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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.