Home / 8,346.24-11,513.75-5,156.87

Finding the Fourth Proportional to 8,346.24, 11,513.75 and 5,156.87

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Solution

The fourth proportional to 8,346.24, 11,513.75 and 5,156.87 is: 7,113.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,346.24 : 11,513.75 = 5,156.87 : x
  2. Step 2: Convert to fraction form
    8,346.24/11,513.75 = 5,156.87/x
  3. Step 3: Cross multiply
    8,346.24x = 11,513.75 × 5,156.87
  4. Step 4: Simplify right side
    8,346.24x = 59,374,828.61
  5. Step 5: Solve for x
    x = 59,374,828.61/8,346.24
  6. Step 6: Final answer
    x = 7,113.96

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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.