Home / 10,578.40-15,867.63-4,337.35

Finding the Fourth Proportional to 10,578.40, 15,867.63 and 4,337.35

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Solution

The fourth proportional to 10,578.40, 15,867.63 and 4,337.35 is: 6,506.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,578.40 : 15,867.63 = 4,337.35 : x
  2. Step 2: Convert to fraction form
    10,578.40/15,867.63 = 4,337.35/x
  3. Step 3: Cross multiply
    10,578.40x = 15,867.63 × 4,337.35
  4. Step 4: Simplify right side
    10,578.40x = 68,823,425.31
  5. Step 5: Solve for x
    x = 68,823,425.31/10,578.40
  6. Step 6: Final answer
    x = 6,506.04

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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.