Home / 7,352.26-10,143.88-4,165.04

Finding the Fourth Proportional to 7,352.26, 10,143.88 and 4,165.04

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Solution

The fourth proportional to 7,352.26, 10,143.88 and 4,165.04 is: 5,746.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.26 : 10,143.88 = 4,165.04 : x
  2. Step 2: Convert to fraction form
    7,352.26/10,143.88 = 4,165.04/x
  3. Step 3: Cross multiply
    7,352.26x = 10,143.88 × 4,165.04
  4. Step 4: Simplify right side
    7,352.26x = 42,249,680.90
  5. Step 5: Solve for x
    x = 42,249,680.90/7,352.26
  6. Step 6: Final answer
    x = 5,746.49

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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.