Home / 7,623.91-11,428.02-5,158.96

Finding the Fourth Proportional to 7,623.91, 11,428.02 and 5,158.96

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Solution

The fourth proportional to 7,623.91, 11,428.02 and 5,158.96 is: 7,733.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,623.91 : 11,428.02 = 5,158.96 : x
  2. Step 2: Convert to fraction form
    7,623.91/11,428.02 = 5,158.96/x
  3. Step 3: Cross multiply
    7,623.91x = 11,428.02 × 5,158.96
  4. Step 4: Simplify right side
    7,623.91x = 58,956,698.06
  5. Step 5: Solve for x
    x = 58,956,698.06/7,623.91
  6. Step 6: Final answer
    x = 7,733.13

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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.