Home / 10,159.30-14,022.65-5,911.18

Finding the Fourth Proportional to 10,159.30, 14,022.65 and 5,911.18

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Solution

The fourth proportional to 10,159.30, 14,022.65 and 5,911.18 is: 8,159.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,159.30 : 14,022.65 = 5,911.18 : x
  2. Step 2: Convert to fraction form
    10,159.30/14,022.65 = 5,911.18/x
  3. Step 3: Cross multiply
    10,159.30x = 14,022.65 × 5,911.18
  4. Step 4: Simplify right side
    10,159.30x = 82,890,433.14
  5. Step 5: Solve for x
    x = 82,890,433.14/10,159.30
  6. Step 6: Final answer
    x = 8,159.07

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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.