Home / 10,409.05-15,600.15-9,069.41

Finding the Fourth Proportional to 10,409.05, 15,600.15 and 9,069.41

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Solution

The fourth proportional to 10,409.05, 15,600.15 and 9,069.41 is: 13,592.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,409.05 : 15,600.15 = 9,069.41 : x
  2. Step 2: Convert to fraction form
    10,409.05/15,600.15 = 9,069.41/x
  3. Step 3: Cross multiply
    10,409.05x = 15,600.15 × 9,069.41
  4. Step 4: Simplify right side
    10,409.05x = 141,484,156.41
  5. Step 5: Solve for x
    x = 141,484,156.41/10,409.05
  6. Step 6: Final answer
    x = 13,592.42

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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.