Home / 10,780.74-14,877.36-6,065.06

Finding the Fourth Proportional to 10,780.74, 14,877.36 and 6,065.06

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Solution

The fourth proportional to 10,780.74, 14,877.36 and 6,065.06 is: 8,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.74 : 14,877.36 = 6,065.06 : x
  2. Step 2: Convert to fraction form
    10,780.74/14,877.36 = 6,065.06/x
  3. Step 3: Cross multiply
    10,780.74x = 14,877.36 × 6,065.06
  4. Step 4: Simplify right side
    10,780.74x = 90,232,081.04
  5. Step 5: Solve for x
    x = 90,232,081.04/10,780.74
  6. Step 6: Final answer
    x = 8,369.75

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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.