Home / 11,419.02-15,758.01-6,383.10

Finding the Fourth Proportional to 11,419.02, 15,758.01 and 6,383.10

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Solution

The fourth proportional to 11,419.02, 15,758.01 and 6,383.10 is: 8,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,419.02 : 15,758.01 = 6,383.10 : x
  2. Step 2: Convert to fraction form
    11,419.02/15,758.01 = 6,383.10/x
  3. Step 3: Cross multiply
    11,419.02x = 15,758.01 × 6,383.10
  4. Step 4: Simplify right side
    11,419.02x = 100,584,953.63
  5. Step 5: Solve for x
    x = 100,584,953.63/11,419.02
  6. Step 6: Final answer
    x = 8,808.55

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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.