Home / 10,291.13-14,201.84-5,575.45

Finding the Fourth Proportional to 10,291.13, 14,201.84 and 5,575.45

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Solution

The fourth proportional to 10,291.13, 14,201.84 and 5,575.45 is: 7,694.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,291.13 : 14,201.84 = 5,575.45 : x
  2. Step 2: Convert to fraction form
    10,291.13/14,201.84 = 5,575.45/x
  3. Step 3: Cross multiply
    10,291.13x = 14,201.84 × 5,575.45
  4. Step 4: Simplify right side
    10,291.13x = 79,181,648.83
  5. Step 5: Solve for x
    x = 79,181,648.83/10,291.13
  6. Step 6: Final answer
    x = 7,694.16

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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.