Home / 11,349.50-15,664.38-10,851.35

Finding the Fourth Proportional to 11,349.50, 15,664.38 and 10,851.35

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Solution

The fourth proportional to 11,349.50, 15,664.38 and 10,851.35 is: 14,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,349.50 : 15,664.38 = 10,851.35 : x
  2. Step 2: Convert to fraction form
    11,349.50/15,664.38 = 10,851.35/x
  3. Step 3: Cross multiply
    11,349.50x = 15,664.38 × 10,851.35
  4. Step 4: Simplify right side
    11,349.50x = 169,979,669.91
  5. Step 5: Solve for x
    x = 169,979,669.91/11,349.50
  6. Step 6: Final answer
    x = 14,976.84

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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.