Home / 9,579.01-13,217.87-5,329.07

Finding the Fourth Proportional to 9,579.01, 13,217.87 and 5,329.07

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Solution

The fourth proportional to 9,579.01, 13,217.87 and 5,329.07 is: 7,353.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.01 : 13,217.87 = 5,329.07 : x
  2. Step 2: Convert to fraction form
    9,579.01/13,217.87 = 5,329.07/x
  3. Step 3: Cross multiply
    9,579.01x = 13,217.87 × 5,329.07
  4. Step 4: Simplify right side
    9,579.01x = 70,438,934.76
  5. Step 5: Solve for x
    x = 70,438,934.76/9,579.01
  6. Step 6: Final answer
    x = 7,353.47

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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.