Home / 7,390.14-10,195.17-4,869.02

Finding the Fourth Proportional to 7,390.14, 10,195.17 and 4,869.02

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Solution

The fourth proportional to 7,390.14, 10,195.17 and 4,869.02 is: 6,717.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,390.14 : 10,195.17 = 4,869.02 : x
  2. Step 2: Convert to fraction form
    7,390.14/10,195.17 = 4,869.02/x
  3. Step 3: Cross multiply
    7,390.14x = 10,195.17 × 4,869.02
  4. Step 4: Simplify right side
    7,390.14x = 49,640,486.63
  5. Step 5: Solve for x
    x = 49,640,486.63/7,390.14
  6. Step 6: Final answer
    x = 6,717.12

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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.