Home / 8,073.06-12,111.75-4,612.74

Finding the Fourth Proportional to 8,073.06, 12,111.75 and 4,612.74

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Solution

The fourth proportional to 8,073.06, 12,111.75 and 4,612.74 is: 6,920.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,073.06 : 12,111.75 = 4,612.74 : x
  2. Step 2: Convert to fraction form
    8,073.06/12,111.75 = 4,612.74/x
  3. Step 3: Cross multiply
    8,073.06x = 12,111.75 × 4,612.74
  4. Step 4: Simplify right side
    8,073.06x = 55,868,353.70
  5. Step 5: Solve for x
    x = 55,868,353.70/8,073.06
  6. Step 6: Final answer
    x = 6,920.34

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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.