Home / 8,353.18-11,528.42-5,167.99

Finding the Fourth Proportional to 8,353.18, 11,528.42 and 5,167.99

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Solution

The fourth proportional to 8,353.18, 11,528.42 and 5,167.99 is: 7,132.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.18 : 11,528.42 = 5,167.99 : x
  2. Step 2: Convert to fraction form
    8,353.18/11,528.42 = 5,167.99/x
  3. Step 3: Cross multiply
    8,353.18x = 11,528.42 × 5,167.99
  4. Step 4: Simplify right side
    8,353.18x = 59,578,704.61
  5. Step 5: Solve for x
    x = 59,578,704.61/8,353.18
  6. Step 6: Final answer
    x = 7,132.46

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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.