Home / 10,125.22-15,192.95-6,831.39

Finding the Fourth Proportional to 10,125.22, 15,192.95 and 6,831.39

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Solution

The fourth proportional to 10,125.22, 15,192.95 and 6,831.39 is: 10,250.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,125.22 : 15,192.95 = 6,831.39 : x
  2. Step 2: Convert to fraction form
    10,125.22/15,192.95 = 6,831.39/x
  3. Step 3: Cross multiply
    10,125.22x = 15,192.95 × 6,831.39
  4. Step 4: Simplify right side
    10,125.22x = 103,788,983.78
  5. Step 5: Solve for x
    x = 103,788,983.78/10,125.22
  6. Step 6: Final answer
    x = 10,250.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.