Home / 12,034.10-18,053.40-5,460.78

Finding the Fourth Proportional to 12,034.10, 18,053.40 and 5,460.78

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Solution

The fourth proportional to 12,034.10, 18,053.40 and 5,460.78 is: 8,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,034.10 : 18,053.40 = 5,460.78 : x
  2. Step 2: Convert to fraction form
    12,034.10/18,053.40 = 5,460.78/x
  3. Step 3: Cross multiply
    12,034.10x = 18,053.40 × 5,460.78
  4. Step 4: Simplify right side
    12,034.10x = 98,585,645.65
  5. Step 5: Solve for x
    x = 98,585,645.65/12,034.10
  6. Step 6: Final answer
    x = 8,192.19

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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.