Home / 12,055.38-16,637.04-6,749.88

Finding the Fourth Proportional to 12,055.38, 16,637.04 and 6,749.88

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Solution

The fourth proportional to 12,055.38, 16,637.04 and 6,749.88 is: 9,315.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,055.38 : 16,637.04 = 6,749.88 : x
  2. Step 2: Convert to fraction form
    12,055.38/16,637.04 = 6,749.88/x
  3. Step 3: Cross multiply
    12,055.38x = 16,637.04 × 6,749.88
  4. Step 4: Simplify right side
    12,055.38x = 112,298,023.56
  5. Step 5: Solve for x
    x = 112,298,023.56/12,055.38
  6. Step 6: Final answer
    x = 9,315.18

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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.