Home / 9,765.34-13,472.66-5,571.16

Finding the Fourth Proportional to 9,765.34, 13,472.66 and 5,571.16

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Solution

The fourth proportional to 9,765.34, 13,472.66 and 5,571.16 is: 7,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,765.34 : 13,472.66 = 5,571.16 : x
  2. Step 2: Convert to fraction form
    9,765.34/13,472.66 = 5,571.16/x
  3. Step 3: Cross multiply
    9,765.34x = 13,472.66 × 5,571.16
  4. Step 4: Simplify right side
    9,765.34x = 75,058,344.49
  5. Step 5: Solve for x
    x = 75,058,344.49/9,765.34
  6. Step 6: Final answer
    x = 7,686.20

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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.