Home / 11,555.76-15,946.90-6,250.57

Finding the Fourth Proportional to 11,555.76, 15,946.90 and 6,250.57

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Solution

The fourth proportional to 11,555.76, 15,946.90 and 6,250.57 is: 8,625.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,555.76 : 15,946.90 = 6,250.57 : x
  2. Step 2: Convert to fraction form
    11,555.76/15,946.90 = 6,250.57/x
  3. Step 3: Cross multiply
    11,555.76x = 15,946.90 × 6,250.57
  4. Step 4: Simplify right side
    11,555.76x = 99,677,214.73
  5. Step 5: Solve for x
    x = 99,677,214.73/11,555.76
  6. Step 6: Final answer
    x = 8,625.76

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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.