Home / 8,328.23-12,486.17-5,040.55

Finding the Fourth Proportional to 8,328.23, 12,486.17 and 5,040.55

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Solution

The fourth proportional to 8,328.23, 12,486.17 and 5,040.55 is: 7,557.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.23 : 12,486.17 = 5,040.55 : x
  2. Step 2: Convert to fraction form
    8,328.23/12,486.17 = 5,040.55/x
  3. Step 3: Cross multiply
    8,328.23x = 12,486.17 × 5,040.55
  4. Step 4: Simplify right side
    8,328.23x = 62,937,138.99
  5. Step 5: Solve for x
    x = 62,937,138.99/8,328.23
  6. Step 6: Final answer
    x = 7,557.09

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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.