Home / 10,090.68-13,913.24-6,905.52

Finding the Fourth Proportional to 10,090.68, 13,913.24 and 6,905.52

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Solution

The fourth proportional to 10,090.68, 13,913.24 and 6,905.52 is: 9,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.68 : 13,913.24 = 6,905.52 : x
  2. Step 2: Convert to fraction form
    10,090.68/13,913.24 = 6,905.52/x
  3. Step 3: Cross multiply
    10,090.68x = 13,913.24 × 6,905.52
  4. Step 4: Simplify right side
    10,090.68x = 96,078,122.56
  5. Step 5: Solve for x
    x = 96,078,122.56/10,090.68
  6. Step 6: Final answer
    x = 9,521.48

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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.