Home / 11,090.39-15,303.13-6,373.76

Finding the Fourth Proportional to 11,090.39, 15,303.13 and 6,373.76

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Solution

The fourth proportional to 11,090.39, 15,303.13 and 6,373.76 is: 8,794.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,090.39 : 15,303.13 = 6,373.76 : x
  2. Step 2: Convert to fraction form
    11,090.39/15,303.13 = 6,373.76/x
  3. Step 3: Cross multiply
    11,090.39x = 15,303.13 × 6,373.76
  4. Step 4: Simplify right side
    11,090.39x = 97,538,385.42
  5. Step 5: Solve for x
    x = 97,538,385.42/11,090.39
  6. Step 6: Final answer
    x = 8,794.86

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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.