Home / 11,803.44-16,288-6,497.40

Finding the Fourth Proportional to 11,803.44, 16,288 and 6,497.40

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Solution

The fourth proportional to 11,803.44, 16,288 and 6,497.40 is: 8,966.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,803.44 : 16,288 = 6,497.40 : x
  2. Step 2: Convert to fraction form
    11,803.44/16,288 = 6,497.40/x
  3. Step 3: Cross multiply
    11,803.44x = 16,288 × 6,497.40
  4. Step 4: Simplify right side
    11,803.44x = 105,829,651.20
  5. Step 5: Solve for x
    x = 105,829,651.20/11,803.44
  6. Step 6: Final answer
    x = 8,966.00

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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.