Home / 11,434.07-15,777.90-6,654.64

Finding the Fourth Proportional to 11,434.07, 15,777.90 and 6,654.64

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Solution

The fourth proportional to 11,434.07, 15,777.90 and 6,654.64 is: 9,182.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,434.07 : 15,777.90 = 6,654.64 : x
  2. Step 2: Convert to fraction form
    11,434.07/15,777.90 = 6,654.64/x
  3. Step 3: Cross multiply
    11,434.07x = 15,777.90 × 6,654.64
  4. Step 4: Simplify right side
    11,434.07x = 104,996,287.51
  5. Step 5: Solve for x
    x = 104,996,287.51/11,434.07
  6. Step 6: Final answer
    x = 9,182.76

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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.