Home / 11,133.51-15,366.41-7,356.88

Finding the Fourth Proportional to 11,133.51, 15,366.41 and 7,356.88

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Solution

The fourth proportional to 11,133.51, 15,366.41 and 7,356.88 is: 10,153.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,133.51 : 15,366.41 = 7,356.88 : x
  2. Step 2: Convert to fraction form
    11,133.51/15,366.41 = 7,356.88/x
  3. Step 3: Cross multiply
    11,133.51x = 15,366.41 × 7,356.88
  4. Step 4: Simplify right side
    11,133.51x = 113,048,834.40
  5. Step 5: Solve for x
    x = 113,048,834.40/11,133.51
  6. Step 6: Final answer
    x = 10,153.93

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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.