Home / 12,047.28-16,626.12-6,742.08

Finding the Fourth Proportional to 12,047.28, 16,626.12 and 6,742.08

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Solution

The fourth proportional to 12,047.28, 16,626.12 and 6,742.08 is: 9,304.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,047.28 : 16,626.12 = 6,742.08 : x
  2. Step 2: Convert to fraction form
    12,047.28/16,626.12 = 6,742.08/x
  3. Step 3: Cross multiply
    12,047.28x = 16,626.12 × 6,742.08
  4. Step 4: Simplify right side
    12,047.28x = 112,094,631.13
  5. Step 5: Solve for x
    x = 112,094,631.13/12,047.28
  6. Step 6: Final answer
    x = 9,304.56

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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.