Home / 10,512.80-14,507.40-5,796.92

Finding the Fourth Proportional to 10,512.80, 14,507.40 and 5,796.92

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Solution

The fourth proportional to 10,512.80, 14,507.40 and 5,796.92 is: 7,999.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.80 : 14,507.40 = 5,796.92 : x
  2. Step 2: Convert to fraction form
    10,512.80/14,507.40 = 5,796.92/x
  3. Step 3: Cross multiply
    10,512.80x = 14,507.40 × 5,796.92
  4. Step 4: Simplify right side
    10,512.80x = 84,098,237.21
  5. Step 5: Solve for x
    x = 84,098,237.21/10,512.80
  6. Step 6: Final answer
    x = 7,999.60

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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.