Home / 10,356.36-15,523.53-7,061.28

Finding the Fourth Proportional to 10,356.36, 15,523.53 and 7,061.28

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Solution

The fourth proportional to 10,356.36, 15,523.53 and 7,061.28 is: 10,584.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,356.36 : 15,523.53 = 7,061.28 : x
  2. Step 2: Convert to fraction form
    10,356.36/15,523.53 = 7,061.28/x
  3. Step 3: Cross multiply
    10,356.36x = 15,523.53 × 7,061.28
  4. Step 4: Simplify right side
    10,356.36x = 109,615,991.92
  5. Step 5: Solve for x
    x = 109,615,991.92/10,356.36
  6. Step 6: Final answer
    x = 10,584.41

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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.