Home / 7,920.02-11,876.67-2,374.14

Finding the Fourth Proportional to 7,920.02, 11,876.67 and 2,374.14

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Solution

The fourth proportional to 7,920.02, 11,876.67 and 2,374.14 is: 3,560.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,920.02 : 11,876.67 = 2,374.14 : x
  2. Step 2: Convert to fraction form
    7,920.02/11,876.67 = 2,374.14/x
  3. Step 3: Cross multiply
    7,920.02x = 11,876.67 × 2,374.14
  4. Step 4: Simplify right side
    7,920.02x = 28,196,877.31
  5. Step 5: Solve for x
    x = 28,196,877.31/7,920.02
  6. Step 6: Final answer
    x = 3,560.21

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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.