Home / 11,625.26-16,041.40-7,856.62

Finding the Fourth Proportional to 11,625.26, 16,041.40 and 7,856.62

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Solution

The fourth proportional to 11,625.26, 16,041.40 and 7,856.62 is: 10,841.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,625.26 : 16,041.40 = 7,856.62 : x
  2. Step 2: Convert to fraction form
    11,625.26/16,041.40 = 7,856.62/x
  3. Step 3: Cross multiply
    11,625.26x = 16,041.40 × 7,856.62
  4. Step 4: Simplify right side
    11,625.26x = 126,031,124.32
  5. Step 5: Solve for x
    x = 126,031,124.32/11,625.26
  6. Step 6: Final answer
    x = 10,841.15

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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.