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Finding the Fourth Proportional to 9,756.88, 13,460.05 and 6,217.88

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Solution

The fourth proportional to 9,756.88, 13,460.05 and 6,217.88 is: 8,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.88 : 13,460.05 = 6,217.88 : x
  2. Step 2: Convert to fraction form
    9,756.88/13,460.05 = 6,217.88/x
  3. Step 3: Cross multiply
    9,756.88x = 13,460.05 × 6,217.88
  4. Step 4: Simplify right side
    9,756.88x = 83,692,975.69
  5. Step 5: Solve for x
    x = 83,692,975.69/9,756.88
  6. Step 6: Final answer
    x = 8,577.84

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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.