Home / 9,571.20-14,328.45-7,116.90

Finding the Fourth Proportional to 9,571.20, 14,328.45 and 7,116.90

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Solution

The fourth proportional to 9,571.20, 14,328.45 and 7,116.90 is: 10,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,571.20 : 14,328.45 = 7,116.90 : x
  2. Step 2: Convert to fraction form
    9,571.20/14,328.45 = 7,116.90/x
  3. Step 3: Cross multiply
    9,571.20x = 14,328.45 × 7,116.90
  4. Step 4: Simplify right side
    9,571.20x = 101,974,145.81
  5. Step 5: Solve for x
    x = 101,974,145.81/9,571.20
  6. Step 6: Final answer
    x = 10,654.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.