Home / 10,056.47-15,084.38-2,660.99

Finding the Fourth Proportional to 10,056.47, 15,084.38 and 2,660.99

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Solution

The fourth proportional to 10,056.47, 15,084.38 and 2,660.99 is: 3,991.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,056.47 : 15,084.38 = 2,660.99 : x
  2. Step 2: Convert to fraction form
    10,056.47/15,084.38 = 2,660.99/x
  3. Step 3: Cross multiply
    10,056.47x = 15,084.38 × 2,660.99
  4. Step 4: Simplify right side
    10,056.47x = 40,139,315.57
  5. Step 5: Solve for x
    x = 40,139,315.57/10,056.47
  6. Step 6: Final answer
    x = 3,991.39

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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.