Home / 9,860.20-13,599.36-6,323.74

Finding the Fourth Proportional to 9,860.20, 13,599.36 and 6,323.74

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Solution

The fourth proportional to 9,860.20, 13,599.36 and 6,323.74 is: 8,721.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.20 : 13,599.36 = 6,323.74 : x
  2. Step 2: Convert to fraction form
    9,860.20/13,599.36 = 6,323.74/x
  3. Step 3: Cross multiply
    9,860.20x = 13,599.36 × 6,323.74
  4. Step 4: Simplify right side
    9,860.20x = 85,998,782.81
  5. Step 5: Solve for x
    x = 85,998,782.81/9,860.20
  6. Step 6: Final answer
    x = 8,721.81

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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.