Home / 9,044.55-12,475.95-5,978.40

Finding the Fourth Proportional to 9,044.55, 12,475.95 and 5,978.40

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Solution

The fourth proportional to 9,044.55, 12,475.95 and 5,978.40 is: 8,246.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,044.55 : 12,475.95 = 5,978.40 : x
  2. Step 2: Convert to fraction form
    9,044.55/12,475.95 = 5,978.40/x
  3. Step 3: Cross multiply
    9,044.55x = 12,475.95 × 5,978.40
  4. Step 4: Simplify right side
    9,044.55x = 74,586,219.48
  5. Step 5: Solve for x
    x = 74,586,219.48/9,044.55
  6. Step 6: Final answer
    x = 8,246.54

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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.