Home / 7,326.11-10,987.79-3,574.13

Finding the Fourth Proportional to 7,326.11, 10,987.79 and 3,574.13

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Solution

The fourth proportional to 7,326.11, 10,987.79 and 3,574.13 is: 5,360.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,326.11 : 10,987.79 = 3,574.13 : x
  2. Step 2: Convert to fraction form
    7,326.11/10,987.79 = 3,574.13/x
  3. Step 3: Cross multiply
    7,326.11x = 10,987.79 × 3,574.13
  4. Step 4: Simplify right side
    7,326.11x = 39,271,717.06
  5. Step 5: Solve for x
    x = 39,271,717.06/7,326.11
  6. Step 6: Final answer
    x = 5,360.51

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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.