Home / 7,903.48-11,856.66-2,708.20

Finding the Fourth Proportional to 7,903.48, 11,856.66 and 2,708.20

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Solution

The fourth proportional to 7,903.48, 11,856.66 and 2,708.20 is: 4,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.48 : 11,856.66 = 2,708.20 : x
  2. Step 2: Convert to fraction form
    7,903.48/11,856.66 = 2,708.20/x
  3. Step 3: Cross multiply
    7,903.48x = 11,856.66 × 2,708.20
  4. Step 4: Simplify right side
    7,903.48x = 32,110,206.61
  5. Step 5: Solve for x
    x = 32,110,206.61/7,903.48
  6. Step 6: Final answer
    x = 4,062.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.