Home / 7,488.19-10,333.75-4,131.09

Finding the Fourth Proportional to 7,488.19, 10,333.75 and 4,131.09

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Solution

The fourth proportional to 7,488.19, 10,333.75 and 4,131.09 is: 5,700.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.19 : 10,333.75 = 4,131.09 : x
  2. Step 2: Convert to fraction form
    7,488.19/10,333.75 = 4,131.09/x
  3. Step 3: Cross multiply
    7,488.19x = 10,333.75 × 4,131.09
  4. Step 4: Simplify right side
    7,488.19x = 42,689,651.29
  5. Step 5: Solve for x
    x = 42,689,651.29/7,488.19
  6. Step 6: Final answer
    x = 5,700.93

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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.