Home / 10,977.84-16,466.68-9,330.48

Finding the Fourth Proportional to 10,977.84, 16,466.68 and 9,330.48

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Solution

The fourth proportional to 10,977.84, 16,466.68 and 9,330.48 is: 13,995.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.84 : 16,466.68 = 9,330.48 : x
  2. Step 2: Convert to fraction form
    10,977.84/16,466.68 = 9,330.48/x
  3. Step 3: Cross multiply
    10,977.84x = 16,466.68 × 9,330.48
  4. Step 4: Simplify right side
    10,977.84x = 153,642,028.41
  5. Step 5: Solve for x
    x = 153,642,028.41/10,977.84
  6. Step 6: Final answer
    x = 13,995.65

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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.