Home / 10,459.88-15,692.86-4,216.66

Finding the Fourth Proportional to 10,459.88, 15,692.86 and 4,216.66

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Solution

The fourth proportional to 10,459.88, 15,692.86 and 4,216.66 is: 6,326.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,459.88 : 15,692.86 = 4,216.66 : x
  2. Step 2: Convert to fraction form
    10,459.88/15,692.86 = 4,216.66/x
  3. Step 3: Cross multiply
    10,459.88x = 15,692.86 × 4,216.66
  4. Step 4: Simplify right side
    10,459.88x = 66,171,455.05
  5. Step 5: Solve for x
    x = 66,171,455.05/10,459.88
  6. Step 6: Final answer
    x = 6,326.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.