Home / 10,089.91-15,134.70-4,539.33

Finding the Fourth Proportional to 10,089.91, 15,134.70 and 4,539.33

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Solution

The fourth proportional to 10,089.91, 15,134.70 and 4,539.33 is: 6,808.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.91 : 15,134.70 = 4,539.33 : x
  2. Step 2: Convert to fraction form
    10,089.91/15,134.70 = 4,539.33/x
  3. Step 3: Cross multiply
    10,089.91x = 15,134.70 × 4,539.33
  4. Step 4: Simplify right side
    10,089.91x = 68,701,299.38
  5. Step 5: Solve for x
    x = 68,701,299.38/10,089.91
  6. Step 6: Final answer
    x = 6,808.91

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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.