Home / 10,190.06-14,043.26-7,948.40

Finding the Fourth Proportional to 10,190.06, 14,043.26 and 7,948.40

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Solution

The fourth proportional to 10,190.06, 14,043.26 and 7,948.40 is: 10,953.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,190.06 : 14,043.26 = 7,948.40 : x
  2. Step 2: Convert to fraction form
    10,190.06/14,043.26 = 7,948.40/x
  3. Step 3: Cross multiply
    10,190.06x = 14,043.26 × 7,948.40
  4. Step 4: Simplify right side
    10,190.06x = 111,621,447.78
  5. Step 5: Solve for x
    x = 111,621,447.78/10,190.06
  6. Step 6: Final answer
    x = 10,953.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.