Home / 10,089.66-13,919.67-6,361.50

Finding the Fourth Proportional to 10,089.66, 13,919.67 and 6,361.50

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Solution

The fourth proportional to 10,089.66, 13,919.67 and 6,361.50 is: 8,776.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,089.66 : 13,919.67 = 6,361.50 : x
  2. Step 2: Convert to fraction form
    10,089.66/13,919.67 = 6,361.50/x
  3. Step 3: Cross multiply
    10,089.66x = 13,919.67 × 6,361.50
  4. Step 4: Simplify right side
    10,089.66x = 88,549,980.71
  5. Step 5: Solve for x
    x = 88,549,980.71/10,089.66
  6. Step 6: Final answer
    x = 8,776.31

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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.