Home / 10,133.44-14,010.24-7,783.36

Finding the Fourth Proportional to 10,133.44, 14,010.24 and 7,783.36

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Solution

The fourth proportional to 10,133.44, 14,010.24 and 7,783.36 is: 10,761.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,133.44 : 14,010.24 = 7,783.36 : x
  2. Step 2: Convert to fraction form
    10,133.44/14,010.24 = 7,783.36/x
  3. Step 3: Cross multiply
    10,133.44x = 14,010.24 × 7,783.36
  4. Step 4: Simplify right side
    10,133.44x = 109,046,741.61
  5. Step 5: Solve for x
    x = 109,046,741.61/10,133.44
  6. Step 6: Final answer
    x = 10,761.08

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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.