Home / 10,171.32-14,036.85-5,695.08

Finding the Fourth Proportional to 10,171.32, 14,036.85 and 5,695.08

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Solution

The fourth proportional to 10,171.32, 14,036.85 and 5,695.08 is: 7,859.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.32 : 14,036.85 = 5,695.08 : x
  2. Step 2: Convert to fraction form
    10,171.32/14,036.85 = 5,695.08/x
  3. Step 3: Cross multiply
    10,171.32x = 14,036.85 × 5,695.08
  4. Step 4: Simplify right side
    10,171.32x = 79,940,983.70
  5. Step 5: Solve for x
    x = 79,940,983.70/10,171.32
  6. Step 6: Final answer
    x = 7,859.45

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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.