Home / 12,191.16-16,852.14-10,877.88

Finding the Fourth Proportional to 12,191.16, 16,852.14 and 10,877.88

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Solution

The fourth proportional to 12,191.16, 16,852.14 and 10,877.88 is: 15,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,191.16 : 16,852.14 = 10,877.88 : x
  2. Step 2: Convert to fraction form
    12,191.16/16,852.14 = 10,877.88/x
  3. Step 3: Cross multiply
    12,191.16x = 16,852.14 × 10,877.88
  4. Step 4: Simplify right side
    12,191.16x = 183,315,556.66
  5. Step 5: Solve for x
    x = 183,315,556.66/12,191.16
  6. Step 6: Final answer
    x = 15,036.76

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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.