Home / 11,865.90-17,800.07-4,476.58

Finding the Fourth Proportional to 11,865.90, 17,800.07 and 4,476.58

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Solution

The fourth proportional to 11,865.90, 17,800.07 and 4,476.58 is: 6,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,865.90 : 17,800.07 = 4,476.58 : x
  2. Step 2: Convert to fraction form
    11,865.90/17,800.07 = 4,476.58/x
  3. Step 3: Cross multiply
    11,865.90x = 17,800.07 × 4,476.58
  4. Step 4: Simplify right side
    11,865.90x = 79,683,437.36
  5. Step 5: Solve for x
    x = 79,683,437.36/11,865.90
  6. Step 6: Final answer
    x = 6,715.33

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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.