Home / 7,931.85-11,896.53-3,548.53

Finding the Fourth Proportional to 7,931.85, 11,896.53 and 3,548.53

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Solution

The fourth proportional to 7,931.85, 11,896.53 and 3,548.53 is: 5,322.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,931.85 : 11,896.53 = 3,548.53 : x
  2. Step 2: Convert to fraction form
    7,931.85/11,896.53 = 3,548.53/x
  3. Step 3: Cross multiply
    7,931.85x = 11,896.53 × 3,548.53
  4. Step 4: Simplify right side
    7,931.85x = 42,215,193.60
  5. Step 5: Solve for x
    x = 42,215,193.60/7,931.85
  6. Step 6: Final answer
    x = 5,322.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.