Home / 11,263.20-16,875.60-9,304.80

Finding the Fourth Proportional to 11,263.20, 16,875.60 and 9,304.80

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Solution

The fourth proportional to 11,263.20, 16,875.60 and 9,304.80 is: 13,941.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,263.20 : 16,875.60 = 9,304.80 : x
  2. Step 2: Convert to fraction form
    11,263.20/16,875.60 = 9,304.80/x
  3. Step 3: Cross multiply
    11,263.20x = 16,875.60 × 9,304.80
  4. Step 4: Simplify right side
    11,263.20x = 157,024,082.88
  5. Step 5: Solve for x
    x = 157,024,082.88/11,263.20
  6. Step 6: Final answer
    x = 13,941.34

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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.