Home / 10,586.82-15,880.40-5,039.04

Finding the Fourth Proportional to 10,586.82, 15,880.40 and 5,039.04

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Solution

The fourth proportional to 10,586.82, 15,880.40 and 5,039.04 is: 7,558.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,586.82 : 15,880.40 = 5,039.04 : x
  2. Step 2: Convert to fraction form
    10,586.82/15,880.40 = 5,039.04/x
  3. Step 3: Cross multiply
    10,586.82x = 15,880.40 × 5,039.04
  4. Step 4: Simplify right side
    10,586.82x = 80,021,970.82
  5. Step 5: Solve for x
    x = 80,021,970.82/10,586.82
  6. Step 6: Final answer
    x = 7,558.64

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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.