Home / 9,029.79-13,541.19-3,105.55

Finding the Fourth Proportional to 9,029.79, 13,541.19 and 3,105.55

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Solution

The fourth proportional to 9,029.79, 13,541.19 and 3,105.55 is: 4,657.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029.79 : 13,541.19 = 3,105.55 : x
  2. Step 2: Convert to fraction form
    9,029.79/13,541.19 = 3,105.55/x
  3. Step 3: Cross multiply
    9,029.79x = 13,541.19 × 3,105.55
  4. Step 4: Simplify right side
    9,029.79x = 42,052,871.29
  5. Step 5: Solve for x
    x = 42,052,871.29/9,029.79
  6. Step 6: Final answer
    x = 4,657.13

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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.