Home / 10,522.85-15,782.56-4,282.61

Finding the Fourth Proportional to 10,522.85, 15,782.56 and 4,282.61

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Solution

The fourth proportional to 10,522.85, 15,782.56 and 4,282.61 is: 6,423.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,522.85 : 15,782.56 = 4,282.61 : x
  2. Step 2: Convert to fraction form
    10,522.85/15,782.56 = 4,282.61/x
  3. Step 3: Cross multiply
    10,522.85x = 15,782.56 × 4,282.61
  4. Step 4: Simplify right side
    10,522.85x = 67,590,459.66
  5. Step 5: Solve for x
    x = 67,590,459.66/10,522.85
  6. Step 6: Final answer
    x = 6,423.21

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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.