Home / 10,977.70-16,470.78-6,598.30

Finding the Fourth Proportional to 10,977.70, 16,470.78 and 6,598.30

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Solution

The fourth proportional to 10,977.70, 16,470.78 and 6,598.30 is: 9,899.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.70 : 16,470.78 = 6,598.30 : x
  2. Step 2: Convert to fraction form
    10,977.70/16,470.78 = 6,598.30/x
  3. Step 3: Cross multiply
    10,977.70x = 16,470.78 × 6,598.30
  4. Step 4: Simplify right side
    10,977.70x = 108,679,147.67
  5. Step 5: Solve for x
    x = 108,679,147.67/10,977.70
  6. Step 6: Final answer
    x = 9,899.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.