Home / 12,246.53-16,900.25-6,941.70

Finding the Fourth Proportional to 12,246.53, 16,900.25 and 6,941.70

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Solution

The fourth proportional to 12,246.53, 16,900.25 and 6,941.70 is: 9,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,246.53 : 16,900.25 = 6,941.70 : x
  2. Step 2: Convert to fraction form
    12,246.53/16,900.25 = 6,941.70/x
  3. Step 3: Cross multiply
    12,246.53x = 16,900.25 × 6,941.70
  4. Step 4: Simplify right side
    12,246.53x = 117,316,430.72
  5. Step 5: Solve for x
    x = 117,316,430.72/12,246.53
  6. Step 6: Final answer
    x = 9,579.57

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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.