Home / 9,214.98-12,716.63-5,235.30

Finding the Fourth Proportional to 9,214.98, 12,716.63 and 5,235.30

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Solution

The fourth proportional to 9,214.98, 12,716.63 and 5,235.30 is: 7,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,214.98 : 12,716.63 = 5,235.30 : x
  2. Step 2: Convert to fraction form
    9,214.98/12,716.63 = 5,235.30/x
  3. Step 3: Cross multiply
    9,214.98x = 12,716.63 × 5,235.30
  4. Step 4: Simplify right side
    9,214.98x = 66,575,373.04
  5. Step 5: Solve for x
    x = 66,575,373.04/9,214.98
  6. Step 6: Final answer
    x = 7,224.69

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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.