Home / 9,631.27-13,290.95-5,382.37

Finding the Fourth Proportional to 9,631.27, 13,290.95 and 5,382.37

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Solution

The fourth proportional to 9,631.27, 13,290.95 and 5,382.37 is: 7,427.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,631.27 : 13,290.95 = 5,382.37 : x
  2. Step 2: Convert to fraction form
    9,631.27/13,290.95 = 5,382.37/x
  3. Step 3: Cross multiply
    9,631.27x = 13,290.95 × 5,382.37
  4. Step 4: Simplify right side
    9,631.27x = 71,536,717.18
  5. Step 5: Solve for x
    x = 71,536,717.18/9,631.27
  6. Step 6: Final answer
    x = 7,427.55

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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.