Home / 7,182.04-9,899.94-6,579.40

Finding the Fourth Proportional to 7,182.04, 9,899.94 and 6,579.40

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Solution

The fourth proportional to 7,182.04, 9,899.94 and 6,579.40 is: 9,069.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.04 : 9,899.94 = 6,579.40 : x
  2. Step 2: Convert to fraction form
    7,182.04/9,899.94 = 6,579.40/x
  3. Step 3: Cross multiply
    7,182.04x = 9,899.94 × 6,579.40
  4. Step 4: Simplify right side
    7,182.04x = 65,135,665.24
  5. Step 5: Solve for x
    x = 65,135,665.24/7,182.04
  6. Step 6: Final answer
    x = 9,069.24

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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.