Home / 9,927.55-13,698.07-5,947.21

Finding the Fourth Proportional to 9,927.55, 13,698.07 and 5,947.21

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Solution

The fourth proportional to 9,927.55, 13,698.07 and 5,947.21 is: 8,205.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,927.55 : 13,698.07 = 5,947.21 : x
  2. Step 2: Convert to fraction form
    9,927.55/13,698.07 = 5,947.21/x
  3. Step 3: Cross multiply
    9,927.55x = 13,698.07 × 5,947.21
  4. Step 4: Simplify right side
    9,927.55x = 81,465,298.88
  5. Step 5: Solve for x
    x = 81,465,298.88/9,927.55
  6. Step 6: Final answer
    x = 8,205.98

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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.