Home / 9,238.50-12,749.40-5,047.02

Finding the Fourth Proportional to 9,238.50, 12,749.40 and 5,047.02

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Solution

The fourth proportional to 9,238.50, 12,749.40 and 5,047.02 is: 6,965.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,238.50 : 12,749.40 = 5,047.02 : x
  2. Step 2: Convert to fraction form
    9,238.50/12,749.40 = 5,047.02/x
  3. Step 3: Cross multiply
    9,238.50x = 12,749.40 × 5,047.02
  4. Step 4: Simplify right side
    9,238.50x = 64,346,476.79
  5. Step 5: Solve for x
    x = 64,346,476.79/9,238.50
  6. Step 6: Final answer
    x = 6,965.04

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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.