Home / 11,769.12-16,256.02-8,798.45

Finding the Fourth Proportional to 11,769.12, 16,256.02 and 8,798.45

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Solution

The fourth proportional to 11,769.12, 16,256.02 and 8,798.45 is: 12,152.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,769.12 : 16,256.02 = 8,798.45 : x
  2. Step 2: Convert to fraction form
    11,769.12/16,256.02 = 8,798.45/x
  3. Step 3: Cross multiply
    11,769.12x = 16,256.02 × 8,798.45
  4. Step 4: Simplify right side
    11,769.12x = 143,027,675.89
  5. Step 5: Solve for x
    x = 143,027,675.89/11,769.12
  6. Step 6: Final answer
    x = 12,152.79

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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.