Home / 9,028.96-12,459.90-5,252.20

Finding the Fourth Proportional to 9,028.96, 12,459.90 and 5,252.20

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Solution

The fourth proportional to 9,028.96, 12,459.90 and 5,252.20 is: 7,248.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,028.96 : 12,459.90 = 5,252.20 : x
  2. Step 2: Convert to fraction form
    9,028.96/12,459.90 = 5,252.20/x
  3. Step 3: Cross multiply
    9,028.96x = 12,459.90 × 5,252.20
  4. Step 4: Simplify right side
    9,028.96x = 65,441,886.78
  5. Step 5: Solve for x
    x = 65,441,886.78/9,028.96
  6. Step 6: Final answer
    x = 7,248.00

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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.