Home / 9,964.30-13,752.30-6,571.21

Finding the Fourth Proportional to 9,964.30, 13,752.30 and 6,571.21

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Solution

The fourth proportional to 9,964.30, 13,752.30 and 6,571.21 is: 9,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.30 : 13,752.30 = 6,571.21 : x
  2. Step 2: Convert to fraction form
    9,964.30/13,752.30 = 6,571.21/x
  3. Step 3: Cross multiply
    9,964.30x = 13,752.30 × 6,571.21
  4. Step 4: Simplify right side
    9,964.30x = 90,369,251.28
  5. Step 5: Solve for x
    x = 90,369,251.28/9,964.30
  6. Step 6: Final answer
    x = 9,069.30

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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.