Home / 10,219.50-14,102.79-5,744.01

Finding the Fourth Proportional to 10,219.50, 14,102.79 and 5,744.01

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Solution

The fourth proportional to 10,219.50, 14,102.79 and 5,744.01 is: 7,926.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.50 : 14,102.79 = 5,744.01 : x
  2. Step 2: Convert to fraction form
    10,219.50/14,102.79 = 5,744.01/x
  3. Step 3: Cross multiply
    10,219.50x = 14,102.79 × 5,744.01
  4. Step 4: Simplify right side
    10,219.50x = 81,006,566.79
  5. Step 5: Solve for x
    x = 81,006,566.79/10,219.50
  6. Step 6: Final answer
    x = 7,926.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.