Home / 9,436.24-13,025.64-6,291.28

Finding the Fourth Proportional to 9,436.24, 13,025.64 and 6,291.28

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Solution

The fourth proportional to 9,436.24, 13,025.64 and 6,291.28 is: 8,684.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,436.24 : 13,025.64 = 6,291.28 : x
  2. Step 2: Convert to fraction form
    9,436.24/13,025.64 = 6,291.28/x
  3. Step 3: Cross multiply
    9,436.24x = 13,025.64 × 6,291.28
  4. Step 4: Simplify right side
    9,436.24x = 81,947,948.42
  5. Step 5: Solve for x
    x = 81,947,948.42/9,436.24
  6. Step 6: Final answer
    x = 8,684.39

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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.