Home / 12,298.75-16,972.34-6,709.75

Finding the Fourth Proportional to 12,298.75, 16,972.34 and 6,709.75

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Solution

The fourth proportional to 12,298.75, 16,972.34 and 6,709.75 is: 9,259.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.75 : 16,972.34 = 6,709.75 : x
  2. Step 2: Convert to fraction form
    12,298.75/16,972.34 = 6,709.75/x
  3. Step 3: Cross multiply
    12,298.75x = 16,972.34 × 6,709.75
  4. Step 4: Simplify right side
    12,298.75x = 113,880,158.32
  5. Step 5: Solve for x
    x = 113,880,158.32/12,298.75
  6. Step 6: Final answer
    x = 9,259.49

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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.