Home / 8,259.03-11,403.70-5,076.72

Finding the Fourth Proportional to 8,259.03, 11,403.70 and 5,076.72

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Solution

The fourth proportional to 8,259.03, 11,403.70 and 5,076.72 is: 7,009.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,259.03 : 11,403.70 = 5,076.72 : x
  2. Step 2: Convert to fraction form
    8,259.03/11,403.70 = 5,076.72/x
  3. Step 3: Cross multiply
    8,259.03x = 11,403.70 × 5,076.72
  4. Step 4: Simplify right side
    8,259.03x = 57,893,391.86
  5. Step 5: Solve for x
    x = 57,893,391.86/8,259.03
  6. Step 6: Final answer
    x = 7,009.71

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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.