Home / 10,473.14-15,709.30-3,547.64

Finding the Fourth Proportional to 10,473.14, 15,709.30 and 3,547.64

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Solution

The fourth proportional to 10,473.14, 15,709.30 and 3,547.64 is: 5,321.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,473.14 : 15,709.30 = 3,547.64 : x
  2. Step 2: Convert to fraction form
    10,473.14/15,709.30 = 3,547.64/x
  3. Step 3: Cross multiply
    10,473.14x = 15,709.30 × 3,547.64
  4. Step 4: Simplify right side
    10,473.14x = 55,730,941.05
  5. Step 5: Solve for x
    x = 55,730,941.05/10,473.14
  6. Step 6: Final answer
    x = 5,321.32

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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.