Home / 10,482.13-15,713.47-5,547.61

Finding the Fourth Proportional to 10,482.13, 15,713.47 and 5,547.61

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Solution

The fourth proportional to 10,482.13, 15,713.47 and 5,547.61 is: 8,316.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,482.13 : 15,713.47 = 5,547.61 : x
  2. Step 2: Convert to fraction form
    10,482.13/15,713.47 = 5,547.61/x
  3. Step 3: Cross multiply
    10,482.13x = 15,713.47 × 5,547.61
  4. Step 4: Simplify right side
    10,482.13x = 87,172,203.31
  5. Step 5: Solve for x
    x = 87,172,203.31/10,482.13
  6. Step 6: Final answer
    x = 8,316.27

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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.