Home / 9,270.28-12,792.90-5,078.68

Finding the Fourth Proportional to 9,270.28, 12,792.90 and 5,078.68

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Solution

The fourth proportional to 9,270.28, 12,792.90 and 5,078.68 is: 7,008.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.28 : 12,792.90 = 5,078.68 : x
  2. Step 2: Convert to fraction form
    9,270.28/12,792.90 = 5,078.68/x
  3. Step 3: Cross multiply
    9,270.28x = 12,792.90 × 5,078.68
  4. Step 4: Simplify right side
    9,270.28x = 64,971,045.37
  5. Step 5: Solve for x
    x = 64,971,045.37/9,270.28
  6. Step 6: Final answer
    x = 7,008.53

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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.