Home / 9,220.95-12,724.43-5,682.87

Finding the Fourth Proportional to 9,220.95, 12,724.43 and 5,682.87

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Solution

The fourth proportional to 9,220.95, 12,724.43 and 5,682.87 is: 7,842.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.95 : 12,724.43 = 5,682.87 : x
  2. Step 2: Convert to fraction form
    9,220.95/12,724.43 = 5,682.87/x
  3. Step 3: Cross multiply
    9,220.95x = 12,724.43 × 5,682.87
  4. Step 4: Simplify right side
    9,220.95x = 72,311,253.10
  5. Step 5: Solve for x
    x = 72,311,253.10/9,220.95
  6. Step 6: Final answer
    x = 7,842.06

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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.