Home / 11,784.26-16,262.37-6,478.95

Finding the Fourth Proportional to 11,784.26, 16,262.37 and 6,478.95

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Solution

The fourth proportional to 11,784.26, 16,262.37 and 6,478.95 is: 8,941.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,784.26 : 16,262.37 = 6,478.95 : x
  2. Step 2: Convert to fraction form
    11,784.26/16,262.37 = 6,478.95/x
  3. Step 3: Cross multiply
    11,784.26x = 16,262.37 × 6,478.95
  4. Step 4: Simplify right side
    11,784.26x = 105,363,082.11
  5. Step 5: Solve for x
    x = 105,363,082.11/11,784.26
  6. Step 6: Final answer
    x = 8,941.00

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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.