Home / 11,354.12-15,668.76-6,637.50

Finding the Fourth Proportional to 11,354.12, 15,668.76 and 6,637.50

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Solution

The fourth proportional to 11,354.12, 15,668.76 and 6,637.50 is: 9,159.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.12 : 15,668.76 = 6,637.50 : x
  2. Step 2: Convert to fraction form
    11,354.12/15,668.76 = 6,637.50/x
  3. Step 3: Cross multiply
    11,354.12x = 15,668.76 × 6,637.50
  4. Step 4: Simplify right side
    11,354.12x = 104,001,394.50
  5. Step 5: Solve for x
    x = 104,001,394.50/11,354.12
  6. Step 6: Final answer
    x = 9,159.79

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