Home / 9,835.20-13,572.40-5,358.98

Finding the Fourth Proportional to 9,835.20, 13,572.40 and 5,358.98

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Solution

The fourth proportional to 9,835.20, 13,572.40 and 5,358.98 is: 7,395.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,835.20 : 13,572.40 = 5,358.98 : x
  2. Step 2: Convert to fraction form
    9,835.20/13,572.40 = 5,358.98/x
  3. Step 3: Cross multiply
    9,835.20x = 13,572.40 × 5,358.98
  4. Step 4: Simplify right side
    9,835.20x = 72,734,220.15
  5. Step 5: Solve for x
    x = 72,734,220.15/9,835.20
  6. Step 6: Final answer
    x = 7,395.30

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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.