Home / 10,988.15-15,163.45-5,952.34

Finding the Fourth Proportional to 10,988.15, 15,163.45 and 5,952.34

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Solution

The fourth proportional to 10,988.15, 15,163.45 and 5,952.34 is: 8,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,988.15 : 15,163.45 = 5,952.34 : x
  2. Step 2: Convert to fraction form
    10,988.15/15,163.45 = 5,952.34/x
  3. Step 3: Cross multiply
    10,988.15x = 15,163.45 × 5,952.34
  4. Step 4: Simplify right side
    10,988.15x = 90,258,009.97
  5. Step 5: Solve for x
    x = 90,258,009.97/10,988.15
  6. Step 6: Final answer
    x = 8,214.12

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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.