Home / 10,219.23-15,299.55-6,926.45

Finding the Fourth Proportional to 10,219.23, 15,299.55 and 6,926.45

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Solution

The fourth proportional to 10,219.23, 15,299.55 and 6,926.45 is: 10,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,219.23 : 15,299.55 = 6,926.45 : x
  2. Step 2: Convert to fraction form
    10,219.23/15,299.55 = 6,926.45/x
  3. Step 3: Cross multiply
    10,219.23x = 15,299.55 × 6,926.45
  4. Step 4: Simplify right side
    10,219.23x = 105,971,491.60
  5. Step 5: Solve for x
    x = 105,971,491.60/10,219.23
  6. Step 6: Final answer
    x = 10,369.81

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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.