Home / 13,071.30-19,603.02-3,712.10

Finding the Fourth Proportional to 13,071.30, 19,603.02 and 3,712.10

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Solution

The fourth proportional to 13,071.30, 19,603.02 and 3,712.10 is: 5,567.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,071.30 : 19,603.02 = 3,712.10 : x
  2. Step 2: Convert to fraction form
    13,071.30/19,603.02 = 3,712.10/x
  3. Step 3: Cross multiply
    13,071.30x = 19,603.02 × 3,712.10
  4. Step 4: Simplify right side
    13,071.30x = 72,768,370.54
  5. Step 5: Solve for x
    x = 72,768,370.54/13,071.30
  6. Step 6: Final answer
    x = 5,567.03

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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.