Home / 9,639.24-13,304.36-6,276.20

Finding the Fourth Proportional to 9,639.24, 13,304.36 and 6,276.20

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Solution

The fourth proportional to 9,639.24, 13,304.36 and 6,276.20 is: 8,662.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,639.24 : 13,304.36 = 6,276.20 : x
  2. Step 2: Convert to fraction form
    9,639.24/13,304.36 = 6,276.20/x
  3. Step 3: Cross multiply
    9,639.24x = 13,304.36 × 6,276.20
  4. Step 4: Simplify right side
    9,639.24x = 83,500,824.23
  5. Step 5: Solve for x
    x = 83,500,824.23/9,639.24
  6. Step 6: Final answer
    x = 8,662.59

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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.