Home / 10,547.08-15,823.92-3,151.84

Finding the Fourth Proportional to 10,547.08, 15,823.92 and 3,151.84

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Solution

The fourth proportional to 10,547.08, 15,823.92 and 3,151.84 is: 4,728.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,547.08 : 15,823.92 = 3,151.84 : x
  2. Step 2: Convert to fraction form
    10,547.08/15,823.92 = 3,151.84/x
  3. Step 3: Cross multiply
    10,547.08x = 15,823.92 × 3,151.84
  4. Step 4: Simplify right side
    10,547.08x = 49,874,464.01
  5. Step 5: Solve for x
    x = 49,874,464.01/10,547.08
  6. Step 6: Final answer
    x = 4,728.75

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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.