Home / 10,473.24-15,712.32-3,547.76

Finding the Fourth Proportional to 10,473.24, 15,712.32 and 3,547.76

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Solution

The fourth proportional to 10,473.24, 15,712.32 and 3,547.76 is: 5,322.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.24 : 15,712.32 = 3,547.76 : x
  2. Step 2: Convert to fraction form
    10,473.24/15,712.32 = 3,547.76/x
  3. Step 3: Cross multiply
    10,473.24x = 15,712.32 × 3,547.76
  4. Step 4: Simplify right side
    10,473.24x = 55,743,540.40
  5. Step 5: Solve for x
    x = 55,743,540.40/10,473.24
  6. Step 6: Final answer
    x = 5,322.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.