Home / 11,556.16-15,946.84-6,520.08

Finding the Fourth Proportional to 11,556.16, 15,946.84 and 6,520.08

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Solution

The fourth proportional to 11,556.16, 15,946.84 and 6,520.08 is: 8,997.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,556.16 : 15,946.84 = 6,520.08 : x
  2. Step 2: Convert to fraction form
    11,556.16/15,946.84 = 6,520.08/x
  3. Step 3: Cross multiply
    11,556.16x = 15,946.84 × 6,520.08
  4. Step 4: Simplify right side
    11,556.16x = 103,974,672.55
  5. Step 5: Solve for x
    x = 103,974,672.55/11,556.16
  6. Step 6: Final answer
    x = 8,997.34

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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.