Home / 12,261.52-16,867.80-10,742.23

Finding the Fourth Proportional to 12,261.52, 16,867.80 and 10,742.23

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Solution

The fourth proportional to 12,261.52, 16,867.80 and 10,742.23 is: 14,777.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,261.52 : 16,867.80 = 10,742.23 : x
  2. Step 2: Convert to fraction form
    12,261.52/16,867.80 = 10,742.23/x
  3. Step 3: Cross multiply
    12,261.52x = 16,867.80 × 10,742.23
  4. Step 4: Simplify right side
    12,261.52x = 181,197,787.19
  5. Step 5: Solve for x
    x = 181,197,787.19/12,261.52
  6. Step 6: Final answer
    x = 14,777.76

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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.