Home / 11,393.02-15,722.38-6,357.10

Finding the Fourth Proportional to 11,393.02, 15,722.38 and 6,357.10

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Solution

The fourth proportional to 11,393.02, 15,722.38 and 6,357.10 is: 8,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,393.02 : 15,722.38 = 6,357.10 : x
  2. Step 2: Convert to fraction form
    11,393.02/15,722.38 = 6,357.10/x
  3. Step 3: Cross multiply
    11,393.02x = 15,722.38 × 6,357.10
  4. Step 4: Simplify right side
    11,393.02x = 99,948,741.90
  5. Step 5: Solve for x
    x = 99,948,741.90/11,393.02
  6. Step 6: Final answer
    x = 8,772.80

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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.