Home / 10,154.99-15,219.50-8,833.22

Finding the Fourth Proportional to 10,154.99, 15,219.50 and 8,833.22

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Solution

The fourth proportional to 10,154.99, 15,219.50 and 8,833.22 is: 13,238.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.99 : 15,219.50 = 8,833.22 : x
  2. Step 2: Convert to fraction form
    10,154.99/15,219.50 = 8,833.22/x
  3. Step 3: Cross multiply
    10,154.99x = 15,219.50 × 8,833.22
  4. Step 4: Simplify right side
    10,154.99x = 134,437,128.60
  5. Step 5: Solve for x
    x = 134,437,128.60/10,154.99
  6. Step 6: Final answer
    x = 13,238.53

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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.