Home / 9,231.48-12,756.09-6,574.27

Finding the Fourth Proportional to 9,231.48, 12,756.09 and 6,574.27

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Solution

The fourth proportional to 9,231.48, 12,756.09 and 6,574.27 is: 9,084.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.48 : 12,756.09 = 6,574.27 : x
  2. Step 2: Convert to fraction form
    9,231.48/12,756.09 = 6,574.27/x
  3. Step 3: Cross multiply
    9,231.48x = 12,756.09 × 6,574.27
  4. Step 4: Simplify right side
    9,231.48x = 83,861,979.80
  5. Step 5: Solve for x
    x = 83,861,979.80/9,231.48
  6. Step 6: Final answer
    x = 9,084.35

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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.