Home / 10,701.20-16,090.20-9,011.60

Finding the Fourth Proportional to 10,701.20, 16,090.20 and 9,011.60

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Solution

The fourth proportional to 10,701.20, 16,090.20 and 9,011.60 is: 13,549.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,701.20 : 16,090.20 = 9,011.60 : x
  2. Step 2: Convert to fraction form
    10,701.20/16,090.20 = 9,011.60/x
  3. Step 3: Cross multiply
    10,701.20x = 16,090.20 × 9,011.60
  4. Step 4: Simplify right side
    10,701.20x = 144,998,446.32
  5. Step 5: Solve for x
    x = 144,998,446.32/10,701.20
  6. Step 6: Final answer
    x = 13,549.74

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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.