Home / 11,287.53-16,935.36-5,047.02

Finding the Fourth Proportional to 11,287.53, 16,935.36 and 5,047.02

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Solution

The fourth proportional to 11,287.53, 16,935.36 and 5,047.02 is: 7,572.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,287.53 : 16,935.36 = 5,047.02 : x
  2. Step 2: Convert to fraction form
    11,287.53/16,935.36 = 5,047.02/x
  3. Step 3: Cross multiply
    11,287.53x = 16,935.36 × 5,047.02
  4. Step 4: Simplify right side
    11,287.53x = 85,473,100.63
  5. Step 5: Solve for x
    x = 85,473,100.63/11,287.53
  6. Step 6: Final answer
    x = 7,572.35

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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.