Home / 10,940.81-15,098.40-6,225.39

Finding the Fourth Proportional to 10,940.81, 15,098.40 and 6,225.39

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Solution

The fourth proportional to 10,940.81, 15,098.40 and 6,225.39 is: 8,591.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.81 : 15,098.40 = 6,225.39 : x
  2. Step 2: Convert to fraction form
    10,940.81/15,098.40 = 6,225.39/x
  3. Step 3: Cross multiply
    10,940.81x = 15,098.40 × 6,225.39
  4. Step 4: Simplify right side
    10,940.81x = 93,993,428.38
  5. Step 5: Solve for x
    x = 93,993,428.38/10,940.81
  6. Step 6: Final answer
    x = 8,591.09

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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.