Home / 10,134.12-13,983.06-5,657.16

Finding the Fourth Proportional to 10,134.12, 13,983.06 and 5,657.16

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Solution

The fourth proportional to 10,134.12, 13,983.06 and 5,657.16 is: 7,805.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.12 : 13,983.06 = 5,657.16 : x
  2. Step 2: Convert to fraction form
    10,134.12/13,983.06 = 5,657.16/x
  3. Step 3: Cross multiply
    10,134.12x = 13,983.06 × 5,657.16
  4. Step 4: Simplify right side
    10,134.12x = 79,104,407.71
  5. Step 5: Solve for x
    x = 79,104,407.71/10,134.12
  6. Step 6: Final answer
    x = 7,805.75

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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.