Home / 11,306.20-16,959.30-9,459.40

Finding the Fourth Proportional to 11,306.20, 16,959.30 and 9,459.40

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Solution

The fourth proportional to 11,306.20, 16,959.30 and 9,459.40 is: 14,189.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.20 : 16,959.30 = 9,459.40 : x
  2. Step 2: Convert to fraction form
    11,306.20/16,959.30 = 9,459.40/x
  3. Step 3: Cross multiply
    11,306.20x = 16,959.30 × 9,459.40
  4. Step 4: Simplify right side
    11,306.20x = 160,424,802.42
  5. Step 5: Solve for x
    x = 160,424,802.42/11,306.20
  6. Step 6: Final answer
    x = 14,189.10

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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.