Home / 9,280.46-12,806.77-5,301.49

Finding the Fourth Proportional to 9,280.46, 12,806.77 and 5,301.49

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Solution

The fourth proportional to 9,280.46, 12,806.77 and 5,301.49 is: 7,315.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,280.46 : 12,806.77 = 5,301.49 : x
  2. Step 2: Convert to fraction form
    9,280.46/12,806.77 = 5,301.49/x
  3. Step 3: Cross multiply
    9,280.46x = 12,806.77 × 5,301.49
  4. Step 4: Simplify right side
    9,280.46x = 67,894,963.09
  5. Step 5: Solve for x
    x = 67,894,963.09/9,280.46
  6. Step 6: Final answer
    x = 7,315.90

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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.