Home / 8,522.51-12,774.45-4,130.15

Finding the Fourth Proportional to 8,522.51, 12,774.45 and 4,130.15

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Solution

The fourth proportional to 8,522.51, 12,774.45 and 4,130.15 is: 6,190.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522.51 : 12,774.45 = 4,130.15 : x
  2. Step 2: Convert to fraction form
    8,522.51/12,774.45 = 4,130.15/x
  3. Step 3: Cross multiply
    8,522.51x = 12,774.45 × 4,130.15
  4. Step 4: Simplify right side
    8,522.51x = 52,760,394.67
  5. Step 5: Solve for x
    x = 52,760,394.67/8,522.51
  6. Step 6: Final answer
    x = 6,190.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.