Home / 7,359.58-11,039.38-5,178.08

Finding the Fourth Proportional to 7,359.58, 11,039.38 and 5,178.08

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Solution

The fourth proportional to 7,359.58, 11,039.38 and 5,178.08 is: 7,767.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.58 : 11,039.38 = 5,178.08 : x
  2. Step 2: Convert to fraction form
    7,359.58/11,039.38 = 5,178.08/x
  3. Step 3: Cross multiply
    7,359.58x = 11,039.38 × 5,178.08
  4. Step 4: Simplify right side
    7,359.58x = 57,162,792.79
  5. Step 5: Solve for x
    x = 57,162,792.79/7,359.58
  6. Step 6: Final answer
    x = 7,767.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.