Home / 9,028.20-12,458.70-5,049.36

Finding the Fourth Proportional to 9,028.20, 12,458.70 and 5,049.36

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Solution

The fourth proportional to 9,028.20, 12,458.70 and 5,049.36 is: 6,968.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.20 : 12,458.70 = 5,049.36 : x
  2. Step 2: Convert to fraction form
    9,028.20/12,458.70 = 5,049.36/x
  3. Step 3: Cross multiply
    9,028.20x = 12,458.70 × 5,049.36
  4. Step 4: Simplify right side
    9,028.20x = 62,908,461.43
  5. Step 5: Solve for x
    x = 62,908,461.43/9,028.20
  6. Step 6: Final answer
    x = 6,968.00

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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.