Home / 13,307.34-19,961.10-6,360.78

Finding the Fourth Proportional to 13,307.34, 19,961.10 and 6,360.78

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Solution

The fourth proportional to 13,307.34, 19,961.10 and 6,360.78 is: 9,541.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.34 : 19,961.10 = 6,360.78 : x
  2. Step 2: Convert to fraction form
    13,307.34/19,961.10 = 6,360.78/x
  3. Step 3: Cross multiply
    13,307.34x = 19,961.10 × 6,360.78
  4. Step 4: Simplify right side
    13,307.34x = 126,968,165.66
  5. Step 5: Solve for x
    x = 126,968,165.66/13,307.34
  6. Step 6: Final answer
    x = 9,541.21

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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.