Home / 9,947.13-14,922.51-4,100.55

Finding the Fourth Proportional to 9,947.13, 14,922.51 and 4,100.55

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Solution

The fourth proportional to 9,947.13, 14,922.51 and 4,100.55 is: 6,151.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.13 : 14,922.51 = 4,100.55 : x
  2. Step 2: Convert to fraction form
    9,947.13/14,922.51 = 4,100.55/x
  3. Step 3: Cross multiply
    9,947.13x = 14,922.51 × 4,100.55
  4. Step 4: Simplify right side
    9,947.13x = 61,190,498.38
  5. Step 5: Solve for x
    x = 61,190,498.38/9,947.13
  6. Step 6: Final answer
    x = 6,151.57

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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.