Home / 9,132.65-12,604.49-6,897.05

Finding the Fourth Proportional to 9,132.65, 12,604.49 and 6,897.05

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Solution

The fourth proportional to 9,132.65, 12,604.49 and 6,897.05 is: 9,519.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,132.65 : 12,604.49 = 6,897.05 : x
  2. Step 2: Convert to fraction form
    9,132.65/12,604.49 = 6,897.05/x
  3. Step 3: Cross multiply
    9,132.65x = 12,604.49 × 6,897.05
  4. Step 4: Simplify right side
    9,132.65x = 86,933,763.27
  5. Step 5: Solve for x
    x = 86,933,763.27/9,132.65
  6. Step 6: Final answer
    x = 9,519.01

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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.