Home / 34,138.08-51,216.42-10,445.11

Finding the Fourth Proportional to 34,138.08, 51,216.42 and 10,445.11

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Solution

The fourth proportional to 34,138.08, 51,216.42 and 10,445.11 is: 15,670.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,138.08 : 51,216.42 = 10,445.11 : x
  2. Step 2: Convert to fraction form
    34,138.08/51,216.42 = 10,445.11/x
  3. Step 3: Cross multiply
    34,138.08x = 51,216.42 × 10,445.11
  4. Step 4: Simplify right side
    34,138.08x = 534,961,140.71
  5. Step 5: Solve for x
    x = 534,961,140.71/34,138.08
  6. Step 6: Final answer
    x = 15,670.51

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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.