Home / 7,320.52-10,080.66-7,167.16

Finding the Fourth Proportional to 7,320.52, 10,080.66 and 7,167.16

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Solution

The fourth proportional to 7,320.52, 10,080.66 and 7,167.16 is: 9,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,320.52 : 10,080.66 = 7,167.16 : x
  2. Step 2: Convert to fraction form
    7,320.52/10,080.66 = 7,167.16/x
  3. Step 3: Cross multiply
    7,320.52x = 10,080.66 × 7,167.16
  4. Step 4: Simplify right side
    7,320.52x = 72,249,703.13
  5. Step 5: Solve for x
    x = 72,249,703.13/7,320.52
  6. Step 6: Final answer
    x = 9,869.48

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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.