Home / 10,885.12-16,325.28-5,332.96

Finding the Fourth Proportional to 10,885.12, 16,325.28 and 5,332.96

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Solution

The fourth proportional to 10,885.12, 16,325.28 and 5,332.96 is: 7,998.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.12 : 16,325.28 = 5,332.96 : x
  2. Step 2: Convert to fraction form
    10,885.12/16,325.28 = 5,332.96/x
  3. Step 3: Cross multiply
    10,885.12x = 16,325.28 × 5,332.96
  4. Step 4: Simplify right side
    10,885.12x = 87,062,065.23
  5. Step 5: Solve for x
    x = 87,062,065.23/10,885.12
  6. Step 6: Final answer
    x = 7,998.26

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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.