Home / 8,883.19-12,260.40-5,298.38

Finding the Fourth Proportional to 8,883.19, 12,260.40 and 5,298.38

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Solution

The fourth proportional to 8,883.19, 12,260.40 and 5,298.38 is: 7,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,883.19 : 12,260.40 = 5,298.38 : x
  2. Step 2: Convert to fraction form
    8,883.19/12,260.40 = 5,298.38/x
  3. Step 3: Cross multiply
    8,883.19x = 12,260.40 × 5,298.38
  4. Step 4: Simplify right side
    8,883.19x = 64,960,196.85
  5. Step 5: Solve for x
    x = 64,960,196.85/8,883.19
  6. Step 6: Final answer
    x = 7,312.71

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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.