Home / 8,828.55-12,184.47-5,102.55

Finding the Fourth Proportional to 8,828.55, 12,184.47 and 5,102.55

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Solution

The fourth proportional to 8,828.55, 12,184.47 and 5,102.55 is: 7,042.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,828.55 : 12,184.47 = 5,102.55 : x
  2. Step 2: Convert to fraction form
    8,828.55/12,184.47 = 5,102.55/x
  3. Step 3: Cross multiply
    8,828.55x = 12,184.47 × 5,102.55
  4. Step 4: Simplify right side
    8,828.55x = 62,171,867.40
  5. Step 5: Solve for x
    x = 62,171,867.40/8,828.55
  6. Step 6: Final answer
    x = 7,042.14

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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.