Home / 9,859.07-13,605.55-6,322.30

Finding the Fourth Proportional to 9,859.07, 13,605.55 and 6,322.30

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Solution

The fourth proportional to 9,859.07, 13,605.55 and 6,322.30 is: 8,724.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,859.07 : 13,605.55 = 6,322.30 : x
  2. Step 2: Convert to fraction form
    9,859.07/13,605.55 = 6,322.30/x
  3. Step 3: Cross multiply
    9,859.07x = 13,605.55 × 6,322.30
  4. Step 4: Simplify right side
    9,859.07x = 86,018,284.93
  5. Step 5: Solve for x
    x = 86,018,284.93/9,859.07
  6. Step 6: Final answer
    x = 8,724.79

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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.