Home / 13,098.36-19,649.70-5,312.52

Finding the Fourth Proportional to 13,098.36, 19,649.70 and 5,312.52

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Solution

The fourth proportional to 13,098.36, 19,649.70 and 5,312.52 is: 7,969.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,098.36 : 19,649.70 = 5,312.52 : x
  2. Step 2: Convert to fraction form
    13,098.36/19,649.70 = 5,312.52/x
  3. Step 3: Cross multiply
    13,098.36x = 19,649.70 × 5,312.52
  4. Step 4: Simplify right side
    13,098.36x = 104,389,424.24
  5. Step 5: Solve for x
    x = 104,389,424.24/13,098.36
  6. Step 6: Final answer
    x = 7,969.66

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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.