Home / 10,342.66-15,515.80-2,946.94

Finding the Fourth Proportional to 10,342.66, 15,515.80 and 2,946.94

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Solution

The fourth proportional to 10,342.66, 15,515.80 and 2,946.94 is: 4,420.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.66 : 15,515.80 = 2,946.94 : x
  2. Step 2: Convert to fraction form
    10,342.66/15,515.80 = 2,946.94/x
  3. Step 3: Cross multiply
    10,342.66x = 15,515.80 × 2,946.94
  4. Step 4: Simplify right side
    10,342.66x = 45,724,131.65
  5. Step 5: Solve for x
    x = 45,724,131.65/10,342.66
  6. Step 6: Final answer
    x = 4,420.93

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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.