Home / 8,468.48-11,677.26-5,779.99

Finding the Fourth Proportional to 8,468.48, 11,677.26 and 5,779.99

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Solution

The fourth proportional to 8,468.48, 11,677.26 and 5,779.99 is: 7,970.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.48 : 11,677.26 = 5,779.99 : x
  2. Step 2: Convert to fraction form
    8,468.48/11,677.26 = 5,779.99/x
  3. Step 3: Cross multiply
    8,468.48x = 11,677.26 × 5,779.99
  4. Step 4: Simplify right side
    8,468.48x = 67,494,482.30
  5. Step 5: Solve for x
    x = 67,494,482.30/8,468.48
  6. Step 6: Final answer
    x = 7,970.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.