Home / 9,859.87-13,603.35-6,504.34

Finding the Fourth Proportional to 9,859.87, 13,603.35 and 6,504.34

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Solution

The fourth proportional to 9,859.87, 13,603.35 and 6,504.34 is: 8,973.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859.87 : 13,603.35 = 6,504.34 : x
  2. Step 2: Convert to fraction form
    9,859.87/13,603.35 = 6,504.34/x
  3. Step 3: Cross multiply
    9,859.87x = 13,603.35 × 6,504.34
  4. Step 4: Simplify right side
    9,859.87x = 88,480,813.54
  5. Step 5: Solve for x
    x = 88,480,813.54/9,859.87
  6. Step 6: Final answer
    x = 8,973.83

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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.