Home / 10,538.48-15,809.16-3,612.08

Finding the Fourth Proportional to 10,538.48, 15,809.16 and 3,612.08

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Solution

The fourth proportional to 10,538.48, 15,809.16 and 3,612.08 is: 5,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,538.48 : 15,809.16 = 3,612.08 : x
  2. Step 2: Convert to fraction form
    10,538.48/15,809.16 = 3,612.08/x
  3. Step 3: Cross multiply
    10,538.48x = 15,809.16 × 3,612.08
  4. Step 4: Simplify right side
    10,538.48x = 57,103,950.65
  5. Step 5: Solve for x
    x = 57,103,950.65/10,538.48
  6. Step 6: Final answer
    x = 5,418.61

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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.