Home / 9,840.08-13,578.29-5,860.41

Finding the Fourth Proportional to 9,840.08, 13,578.29 and 5,860.41

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Solution

The fourth proportional to 9,840.08, 13,578.29 and 5,860.41 is: 8,086.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.08 : 13,578.29 = 5,860.41 : x
  2. Step 2: Convert to fraction form
    9,840.08/13,578.29 = 5,860.41/x
  3. Step 3: Cross multiply
    9,840.08x = 13,578.29 × 5,860.41
  4. Step 4: Simplify right side
    9,840.08x = 79,574,317.20
  5. Step 5: Solve for x
    x = 79,574,317.20/9,840.08
  6. Step 6: Final answer
    x = 8,086.76

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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.