Home / 13,271.11-19,899.95-5,877.83

Finding the Fourth Proportional to 13,271.11, 19,899.95 and 5,877.83

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Solution

The fourth proportional to 13,271.11, 19,899.95 and 5,877.83 is: 8,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,271.11 : 19,899.95 = 5,877.83 : x
  2. Step 2: Convert to fraction form
    13,271.11/19,899.95 = 5,877.83/x
  3. Step 3: Cross multiply
    13,271.11x = 19,899.95 × 5,877.83
  4. Step 4: Simplify right side
    13,271.11x = 116,968,543.47
  5. Step 5: Solve for x
    x = 116,968,543.47/13,271.11
  6. Step 6: Final answer
    x = 8,813.77

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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.