Home / 7,387.23-10,194.40-4,030.11

Finding the Fourth Proportional to 7,387.23, 10,194.40 and 4,030.11

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Solution

The fourth proportional to 7,387.23, 10,194.40 and 4,030.11 is: 5,561.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.23 : 10,194.40 = 4,030.11 : x
  2. Step 2: Convert to fraction form
    7,387.23/10,194.40 = 4,030.11/x
  3. Step 3: Cross multiply
    7,387.23x = 10,194.40 × 4,030.11
  4. Step 4: Simplify right side
    7,387.23x = 41,084,553.38
  5. Step 5: Solve for x
    x = 41,084,553.38/7,387.23
  6. Step 6: Final answer
    x = 5,561.56

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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.