Home / 12,125.10-18,191.16-4,334.52

Finding the Fourth Proportional to 12,125.10, 18,191.16 and 4,334.52

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Solution

The fourth proportional to 12,125.10, 18,191.16 and 4,334.52 is: 6,503.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,125.10 : 18,191.16 = 4,334.52 : x
  2. Step 2: Convert to fraction form
    12,125.10/18,191.16 = 4,334.52/x
  3. Step 3: Cross multiply
    12,125.10x = 18,191.16 × 4,334.52
  4. Step 4: Simplify right side
    12,125.10x = 78,849,946.84
  5. Step 5: Solve for x
    x = 78,849,946.84/12,125.10
  6. Step 6: Final answer
    x = 6,503.03

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1.5x scale

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.