Home / 10,307.40-15,453.81-5,044.02

Finding the Fourth Proportional to 10,307.40, 15,453.81 and 5,044.02

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Solution

The fourth proportional to 10,307.40, 15,453.81 and 5,044.02 is: 7,562.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.40 : 15,453.81 = 5,044.02 : x
  2. Step 2: Convert to fraction form
    10,307.40/15,453.81 = 5,044.02/x
  3. Step 3: Cross multiply
    10,307.40x = 15,453.81 × 5,044.02
  4. Step 4: Simplify right side
    10,307.40x = 77,949,326.72
  5. Step 5: Solve for x
    x = 77,949,326.72/10,307.40
  6. Step 6: Final answer
    x = 7,562.46

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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.