Home / 10,159.11-14,018.91-5,682.09

Finding the Fourth Proportional to 10,159.11, 14,018.91 and 5,682.09

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Solution

The fourth proportional to 10,159.11, 14,018.91 and 5,682.09 is: 7,840.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.11 : 14,018.91 = 5,682.09 : x
  2. Step 2: Convert to fraction form
    10,159.11/14,018.91 = 5,682.09/x
  3. Step 3: Cross multiply
    10,159.11x = 14,018.91 × 5,682.09
  4. Step 4: Simplify right side
    10,159.11x = 79,656,687.48
  5. Step 5: Solve for x
    x = 79,656,687.48/10,159.11
  6. Step 6: Final answer
    x = 7,840.91

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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.