Home / 41,002.10-61,503.15-11,420.70

Finding the Fourth Proportional to 41,002.10, 61,503.15 and 11,420.70

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Solution

The fourth proportional to 41,002.10, 61,503.15 and 11,420.70 is: 17,131.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,002.10 : 61,503.15 = 11,420.70 : x
  2. Step 2: Convert to fraction form
    41,002.10/61,503.15 = 11,420.70/x
  3. Step 3: Cross multiply
    41,002.10x = 61,503.15 × 11,420.70
  4. Step 4: Simplify right side
    41,002.10x = 702,409,025.21
  5. Step 5: Solve for x
    x = 702,409,025.21/41,002.10
  6. Step 6: Final answer
    x = 17,131.05

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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.