Home / 9,579.26-13,219.54-5,330.66

Finding the Fourth Proportional to 9,579.26, 13,219.54 and 5,330.66

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Solution

The fourth proportional to 9,579.26, 13,219.54 and 5,330.66 is: 7,356.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,579.26 : 13,219.54 = 5,330.66 : x
  2. Step 2: Convert to fraction form
    9,579.26/13,219.54 = 5,330.66/x
  3. Step 3: Cross multiply
    9,579.26x = 13,219.54 × 5,330.66
  4. Step 4: Simplify right side
    9,579.26x = 70,468,873.10
  5. Step 5: Solve for x
    x = 70,468,873.10/9,579.26
  6. Step 6: Final answer
    x = 7,356.40

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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.