Home / 7,099.11-10,643.67-3,148.23

Finding the Fourth Proportional to 7,099.11, 10,643.67 and 3,148.23

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Solution

The fourth proportional to 7,099.11, 10,643.67 and 3,148.23 is: 4,720.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.11 : 10,643.67 = 3,148.23 : x
  2. Step 2: Convert to fraction form
    7,099.11/10,643.67 = 3,148.23/x
  3. Step 3: Cross multiply
    7,099.11x = 10,643.67 × 3,148.23
  4. Step 4: Simplify right side
    7,099.11x = 33,508,721.20
  5. Step 5: Solve for x
    x = 33,508,721.20/7,099.11
  6. Step 6: Final answer
    x = 4,720.13

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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.