Home / 11,556.17-15,946.14-6,520.10

Finding the Fourth Proportional to 11,556.17, 15,946.14 and 6,520.10

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Solution

The fourth proportional to 11,556.17, 15,946.14 and 6,520.10 is: 8,996.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.17 : 15,946.14 = 6,520.10 : x
  2. Step 2: Convert to fraction form
    11,556.17/15,946.14 = 6,520.10/x
  3. Step 3: Cross multiply
    11,556.17x = 15,946.14 × 6,520.10
  4. Step 4: Simplify right side
    11,556.17x = 103,970,427.41
  5. Step 5: Solve for x
    x = 103,970,427.41/11,556.17
  6. Step 6: Final answer
    x = 8,996.96

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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.