Home / 9,235.02-12,742.88-5,255.84

Finding the Fourth Proportional to 9,235.02, 12,742.88 and 5,255.84

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Solution

The fourth proportional to 9,235.02, 12,742.88 and 5,255.84 is: 7,252.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.02 : 12,742.88 = 5,255.84 : x
  2. Step 2: Convert to fraction form
    9,235.02/12,742.88 = 5,255.84/x
  3. Step 3: Cross multiply
    9,235.02x = 12,742.88 × 5,255.84
  4. Step 4: Simplify right side
    9,235.02x = 66,974,538.42
  5. Step 5: Solve for x
    x = 66,974,538.42/9,235.02
  6. Step 6: Final answer
    x = 7,252.24

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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.