Home / 7,618.91-11,420.56-4,325.04

Finding the Fourth Proportional to 7,618.91, 11,420.56 and 4,325.04

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Solution

The fourth proportional to 7,618.91, 11,420.56 and 4,325.04 is: 6,483.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.91 : 11,420.56 = 4,325.04 : x
  2. Step 2: Convert to fraction form
    7,618.91/11,420.56 = 4,325.04/x
  3. Step 3: Cross multiply
    7,618.91x = 11,420.56 × 4,325.04
  4. Step 4: Simplify right side
    7,618.91x = 49,394,378.82
  5. Step 5: Solve for x
    x = 49,394,378.82/7,618.91
  6. Step 6: Final answer
    x = 6,483.13

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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.