Home / 10,159.20-14,019.26-5,682.11

Finding the Fourth Proportional to 10,159.20, 14,019.26 and 5,682.11

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Solution

The fourth proportional to 10,159.20, 14,019.26 and 5,682.11 is: 7,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.20 : 14,019.26 = 5,682.11 : x
  2. Step 2: Convert to fraction form
    10,159.20/14,019.26 = 5,682.11/x
  3. Step 3: Cross multiply
    10,159.20x = 14,019.26 × 5,682.11
  4. Step 4: Simplify right side
    10,159.20x = 79,658,878.93
  5. Step 5: Solve for x
    x = 79,658,878.93/10,159.20
  6. Step 6: Final answer
    x = 7,841.06

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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.