Home / 9,726.20-13,417.22-5,690.38

Finding the Fourth Proportional to 9,726.20, 13,417.22 and 5,690.38

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Solution

The fourth proportional to 9,726.20, 13,417.22 and 5,690.38 is: 7,849.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,726.20 : 13,417.22 = 5,690.38 : x
  2. Step 2: Convert to fraction form
    9,726.20/13,417.22 = 5,690.38/x
  3. Step 3: Cross multiply
    9,726.20x = 13,417.22 × 5,690.38
  4. Step 4: Simplify right side
    9,726.20x = 76,349,080.34
  5. Step 5: Solve for x
    x = 76,349,080.34/9,726.20
  6. Step 6: Final answer
    x = 7,849.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.