Home / 10,748.03-16,117.95-4,172.69

Finding the Fourth Proportional to 10,748.03, 16,117.95 and 4,172.69

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Solution

The fourth proportional to 10,748.03, 16,117.95 and 4,172.69 is: 6,257.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,748.03 : 16,117.95 = 4,172.69 : x
  2. Step 2: Convert to fraction form
    10,748.03/16,117.95 = 4,172.69/x
  3. Step 3: Cross multiply
    10,748.03x = 16,117.95 × 4,172.69
  4. Step 4: Simplify right side
    10,748.03x = 67,255,208.79
  5. Step 5: Solve for x
    x = 67,255,208.79/10,748.03
  6. Step 6: Final answer
    x = 6,257.45

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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.