Home / 10,241.81-14,130.87-5,765.30

Finding the Fourth Proportional to 10,241.81, 14,130.87 and 5,765.30

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Solution

The fourth proportional to 10,241.81, 14,130.87 and 5,765.30 is: 7,954.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,241.81 : 14,130.87 = 5,765.30 : x
  2. Step 2: Convert to fraction form
    10,241.81/14,130.87 = 5,765.30/x
  3. Step 3: Cross multiply
    10,241.81x = 14,130.87 × 5,765.30
  4. Step 4: Simplify right side
    10,241.81x = 81,468,704.81
  5. Step 5: Solve for x
    x = 81,468,704.81/10,241.81
  6. Step 6: Final answer
    x = 7,954.52

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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.