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Finding the Fourth Proportional to 9,756.95, 13,464.12 and 5,723.22

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Solution

The fourth proportional to 9,756.95, 13,464.12 and 5,723.22 is: 7,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,756.95 : 13,464.12 = 5,723.22 : x
  2. Step 2: Convert to fraction form
    9,756.95/13,464.12 = 5,723.22/x
  3. Step 3: Cross multiply
    9,756.95x = 13,464.12 × 5,723.22
  4. Step 4: Simplify right side
    9,756.95x = 77,058,120.87
  5. Step 5: Solve for x
    x = 77,058,120.87/9,756.95
  6. Step 6: Final answer
    x = 7,897.77

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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.