Home / 12,715.56-19,081.08-4,924.08

Finding the Fourth Proportional to 12,715.56, 19,081.08 and 4,924.08

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Solution

The fourth proportional to 12,715.56, 19,081.08 and 4,924.08 is: 7,389.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,715.56 : 19,081.08 = 4,924.08 : x
  2. Step 2: Convert to fraction form
    12,715.56/19,081.08 = 4,924.08/x
  3. Step 3: Cross multiply
    12,715.56x = 19,081.08 × 4,924.08
  4. Step 4: Simplify right side
    12,715.56x = 93,956,764.41
  5. Step 5: Solve for x
    x = 93,956,764.41/12,715.56
  6. Step 6: Final answer
    x = 7,389.12

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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.