Home / 12,197.80-16,831.65-6,892.48

Finding the Fourth Proportional to 12,197.80, 16,831.65 and 6,892.48

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Solution

The fourth proportional to 12,197.80, 16,831.65 and 6,892.48 is: 9,510.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,197.80 : 16,831.65 = 6,892.48 : x
  2. Step 2: Convert to fraction form
    12,197.80/16,831.65 = 6,892.48/x
  3. Step 3: Cross multiply
    12,197.80x = 16,831.65 × 6,892.48
  4. Step 4: Simplify right side
    12,197.80x = 116,011,810.99
  5. Step 5: Solve for x
    x = 116,011,810.99/12,197.80
  6. Step 6: Final answer
    x = 9,510.88

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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.