Home / 8,402.24-11,595.34-4,817.72

Finding the Fourth Proportional to 8,402.24, 11,595.34 and 4,817.72

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Solution

The fourth proportional to 8,402.24, 11,595.34 and 4,817.72 is: 6,648.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402.24 : 11,595.34 = 4,817.72 : x
  2. Step 2: Convert to fraction form
    8,402.24/11,595.34 = 4,817.72/x
  3. Step 3: Cross multiply
    8,402.24x = 11,595.34 × 4,817.72
  4. Step 4: Simplify right side
    8,402.24x = 55,863,101.42
  5. Step 5: Solve for x
    x = 55,863,101.42/8,402.24
  6. Step 6: Final answer
    x = 6,648.60

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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.