Home / 9,734.24-13,432.56-7,643.36

Finding the Fourth Proportional to 9,734.24, 13,432.56 and 7,643.36

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Solution

The fourth proportional to 9,734.24, 13,432.56 and 7,643.36 is: 10,547.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,734.24 : 13,432.56 = 7,643.36 : x
  2. Step 2: Convert to fraction form
    9,734.24/13,432.56 = 7,643.36/x
  3. Step 3: Cross multiply
    9,734.24x = 13,432.56 × 7,643.36
  4. Step 4: Simplify right side
    9,734.24x = 102,669,891.80
  5. Step 5: Solve for x
    x = 102,669,891.80/9,734.24
  6. Step 6: Final answer
    x = 10,547.29

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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.