Home / 11,711.39-17,569.81-4,316.59

Finding the Fourth Proportional to 11,711.39, 17,569.81 and 4,316.59

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Solution

The fourth proportional to 11,711.39, 17,569.81 and 4,316.59 is: 6,475.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.39 : 17,569.81 = 4,316.59 : x
  2. Step 2: Convert to fraction form
    11,711.39/17,569.81 = 4,316.59/x
  3. Step 3: Cross multiply
    11,711.39x = 17,569.81 × 4,316.59
  4. Step 4: Simplify right side
    11,711.39x = 75,841,693.51
  5. Step 5: Solve for x
    x = 75,841,693.51/11,711.39
  6. Step 6: Final answer
    x = 6,475.89

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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.