Home / 12,303.27-16,977.90-6,997.95

Finding the Fourth Proportional to 12,303.27, 16,977.90 and 6,997.95

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Solution

The fourth proportional to 12,303.27, 16,977.90 and 6,997.95 is: 9,656.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.27 : 16,977.90 = 6,997.95 : x
  2. Step 2: Convert to fraction form
    12,303.27/16,977.90 = 6,997.95/x
  3. Step 3: Cross multiply
    12,303.27x = 16,977.90 × 6,997.95
  4. Step 4: Simplify right side
    12,303.27x = 118,810,495.31
  5. Step 5: Solve for x
    x = 118,810,495.31/12,303.27
  6. Step 6: Final answer
    x = 9,656.82

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1.5x scale

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.