Home / 10,619.81-15,918.53-3,593.16

Finding the Fourth Proportional to 10,619.81, 15,918.53 and 3,593.16

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Solution

The fourth proportional to 10,619.81, 15,918.53 and 3,593.16 is: 5,385.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.81 : 15,918.53 = 3,593.16 : x
  2. Step 2: Convert to fraction form
    10,619.81/15,918.53 = 3,593.16/x
  3. Step 3: Cross multiply
    10,619.81x = 15,918.53 × 3,593.16
  4. Step 4: Simplify right side
    10,619.81x = 57,197,807.29
  5. Step 5: Solve for x
    x = 57,197,807.29/10,619.81
  6. Step 6: Final answer
    x = 5,385.95

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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.