Home / 10,243.71-14,135.79-5,767.32

Finding the Fourth Proportional to 10,243.71, 14,135.79 and 5,767.32

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Solution

The fourth proportional to 10,243.71, 14,135.79 and 5,767.32 is: 7,958.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.71 : 14,135.79 = 5,767.32 : x
  2. Step 2: Convert to fraction form
    10,243.71/14,135.79 = 5,767.32/x
  3. Step 3: Cross multiply
    10,243.71x = 14,135.79 × 5,767.32
  4. Step 4: Simplify right side
    10,243.71x = 81,525,624.38
  5. Step 5: Solve for x
    x = 81,525,624.38/10,243.71
  6. Step 6: Final answer
    x = 7,958.60

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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.