Home / 11,731.74-17,590.65-4,715.07

Finding the Fourth Proportional to 11,731.74, 17,590.65 and 4,715.07

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Solution

The fourth proportional to 11,731.74, 17,590.65 and 4,715.07 is: 7,069.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,731.74 : 17,590.65 = 4,715.07 : x
  2. Step 2: Convert to fraction form
    11,731.74/17,590.65 = 4,715.07/x
  3. Step 3: Cross multiply
    11,731.74x = 17,590.65 × 4,715.07
  4. Step 4: Simplify right side
    11,731.74x = 82,941,146.10
  5. Step 5: Solve for x
    x = 82,941,146.10/11,731.74
  6. Step 6: Final answer
    x = 7,069.81

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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.