Home / 10,134.54-13,988.62-5,887.51

Finding the Fourth Proportional to 10,134.54, 13,988.62 and 5,887.51

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Solution

The fourth proportional to 10,134.54, 13,988.62 and 5,887.51 is: 8,126.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,134.54 : 13,988.62 = 5,887.51 : x
  2. Step 2: Convert to fraction form
    10,134.54/13,988.62 = 5,887.51/x
  3. Step 3: Cross multiply
    10,134.54x = 13,988.62 × 5,887.51
  4. Step 4: Simplify right side
    10,134.54x = 82,358,168.43
  5. Step 5: Solve for x
    x = 82,358,168.43/10,134.54
  6. Step 6: Final answer
    x = 8,126.48

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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.