Home / 10,261.99-14,140.63-7,076.26

Finding the Fourth Proportional to 10,261.99, 14,140.63 and 7,076.26

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Solution

The fourth proportional to 10,261.99, 14,140.63 and 7,076.26 is: 9,750.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,261.99 : 14,140.63 = 7,076.26 : x
  2. Step 2: Convert to fraction form
    10,261.99/14,140.63 = 7,076.26/x
  3. Step 3: Cross multiply
    10,261.99x = 14,140.63 × 7,076.26
  4. Step 4: Simplify right side
    10,261.99x = 100,062,761.16
  5. Step 5: Solve for x
    x = 100,062,761.16/10,261.99
  6. Step 6: Final answer
    x = 9,750.81

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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.