Home / 29,111.40-43,667.10-8,334.90

Finding the Fourth Proportional to 29,111.40, 43,667.10 and 8,334.90

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Solution

The fourth proportional to 29,111.40, 43,667.10 and 8,334.90 is: 12,502.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,111.40 : 43,667.10 = 8,334.90 : x
  2. Step 2: Convert to fraction form
    29,111.40/43,667.10 = 8,334.90/x
  3. Step 3: Cross multiply
    29,111.40x = 43,667.10 × 8,334.90
  4. Step 4: Simplify right side
    29,111.40x = 363,960,911.79
  5. Step 5: Solve for x
    x = 363,960,911.79/29,111.40
  6. Step 6: Final answer
    x = 12,502.35

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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.