Home / 11,088.28-15,303.20-6,372.56

Finding the Fourth Proportional to 11,088.28, 15,303.20 and 6,372.56

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Solution

The fourth proportional to 11,088.28, 15,303.20 and 6,372.56 is: 8,794.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.28 : 15,303.20 = 6,372.56 : x
  2. Step 2: Convert to fraction form
    11,088.28/15,303.20 = 6,372.56/x
  3. Step 3: Cross multiply
    11,088.28x = 15,303.20 × 6,372.56
  4. Step 4: Simplify right side
    11,088.28x = 97,520,560.19
  5. Step 5: Solve for x
    x = 97,520,560.19/11,088.28
  6. Step 6: Final answer
    x = 8,794.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.