Home / 11,915.50-17,868.95-3,592.93

Finding the Fourth Proportional to 11,915.50, 17,868.95 and 3,592.93

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Solution

The fourth proportional to 11,915.50, 17,868.95 and 3,592.93 is: 5,388.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,915.50 : 17,868.95 = 3,592.93 : x
  2. Step 2: Convert to fraction form
    11,915.50/17,868.95 = 3,592.93/x
  3. Step 3: Cross multiply
    11,915.50x = 17,868.95 × 3,592.93
  4. Step 4: Simplify right side
    11,915.50x = 64,201,779.21
  5. Step 5: Solve for x
    x = 64,201,779.21/11,915.50
  6. Step 6: Final answer
    x = 5,388.09

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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.