Home / 10,122.84-13,969.56-5,646.66

Finding the Fourth Proportional to 10,122.84, 13,969.56 and 5,646.66

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Solution

The fourth proportional to 10,122.84, 13,969.56 and 5,646.66 is: 7,792.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,122.84 : 13,969.56 = 5,646.66 : x
  2. Step 2: Convert to fraction form
    10,122.84/13,969.56 = 5,646.66/x
  3. Step 3: Cross multiply
    10,122.84x = 13,969.56 × 5,646.66
  4. Step 4: Simplify right side
    10,122.84x = 78,881,355.67
  5. Step 5: Solve for x
    x = 78,881,355.67/10,122.84
  6. Step 6: Final answer
    x = 7,792.41

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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.