Home / 9,977.12-14,969.26-4,275.69

Finding the Fourth Proportional to 9,977.12, 14,969.26 and 4,275.69

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Solution

The fourth proportional to 9,977.12, 14,969.26 and 4,275.69 is: 6,415.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,977.12 : 14,969.26 = 4,275.69 : x
  2. Step 2: Convert to fraction form
    9,977.12/14,969.26 = 4,275.69/x
  3. Step 3: Cross multiply
    9,977.12x = 14,969.26 × 4,275.69
  4. Step 4: Simplify right side
    9,977.12x = 64,003,819.06
  5. Step 5: Solve for x
    x = 64,003,819.06/9,977.12
  6. Step 6: Final answer
    x = 6,415.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.