Home / 9,029.23-12,459.85-5,251.79

Finding the Fourth Proportional to 9,029.23, 12,459.85 and 5,251.79

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Solution

The fourth proportional to 9,029.23, 12,459.85 and 5,251.79 is: 7,247.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,029.23 : 12,459.85 = 5,251.79 : x
  2. Step 2: Convert to fraction form
    9,029.23/12,459.85 = 5,251.79/x
  3. Step 3: Cross multiply
    9,029.23x = 12,459.85 × 5,251.79
  4. Step 4: Simplify right side
    9,029.23x = 65,436,533.65
  5. Step 5: Solve for x
    x = 65,436,533.65/9,029.23
  6. Step 6: Final answer
    x = 7,247.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.