Home / 9,801.52-13,521.56-5,820.36

Finding the Fourth Proportional to 9,801.52, 13,521.56 and 5,820.36

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Solution

The fourth proportional to 9,801.52, 13,521.56 and 5,820.36 is: 8,029.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,801.52 : 13,521.56 = 5,820.36 : x
  2. Step 2: Convert to fraction form
    9,801.52/13,521.56 = 5,820.36/x
  3. Step 3: Cross multiply
    9,801.52x = 13,521.56 × 5,820.36
  4. Step 4: Simplify right side
    9,801.52x = 78,700,346.96
  5. Step 5: Solve for x
    x = 78,700,346.96/9,801.52
  6. Step 6: Final answer
    x = 8,029.40

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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.