Home / 7,459.60-11,175.90-5,909.80

Finding the Fourth Proportional to 7,459.60, 11,175.90 and 5,909.80

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Solution

The fourth proportional to 7,459.60, 11,175.90 and 5,909.80 is: 8,854.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.60 : 11,175.90 = 5,909.80 : x
  2. Step 2: Convert to fraction form
    7,459.60/11,175.90 = 5,909.80/x
  3. Step 3: Cross multiply
    7,459.60x = 11,175.90 × 5,909.80
  4. Step 4: Simplify right side
    7,459.60x = 66,047,333.82
  5. Step 5: Solve for x
    x = 66,047,333.82/7,459.60
  6. Step 6: Final answer
    x = 8,854.00

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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.