Home / 11,810.46-16,298.43-6,505.28

Finding the Fourth Proportional to 11,810.46, 16,298.43 and 6,505.28

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Solution

The fourth proportional to 11,810.46, 16,298.43 and 6,505.28 is: 8,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.46 : 16,298.43 = 6,505.28 : x
  2. Step 2: Convert to fraction form
    11,810.46/16,298.43 = 6,505.28/x
  3. Step 3: Cross multiply
    11,810.46x = 16,298.43 × 6,505.28
  4. Step 4: Simplify right side
    11,810.46x = 106,025,851.68
  5. Step 5: Solve for x
    x = 106,025,851.68/11,810.46
  6. Step 6: Final answer
    x = 8,977.28

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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.