Home / 12,298.86-18,448.29-5,726.97

Finding the Fourth Proportional to 12,298.86, 18,448.29 and 5,726.97

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Solution

The fourth proportional to 12,298.86, 18,448.29 and 5,726.97 is: 8,590.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.86 : 18,448.29 = 5,726.97 : x
  2. Step 2: Convert to fraction form
    12,298.86/18,448.29 = 5,726.97/x
  3. Step 3: Cross multiply
    12,298.86x = 18,448.29 × 5,726.97
  4. Step 4: Simplify right side
    12,298.86x = 105,652,803.38
  5. Step 5: Solve for x
    x = 105,652,803.38/12,298.86
  6. Step 6: Final answer
    x = 8,590.46

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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.