Home / 9,235.22-12,742.92-5,459.00

Finding the Fourth Proportional to 9,235.22, 12,742.92 and 5,459.00

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Solution

The fourth proportional to 9,235.22, 12,742.92 and 5,459.00 is: 7,532.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,235.22 : 12,742.92 = 5,459.00 : x
  2. Step 2: Convert to fraction form
    9,235.22/12,742.92 = 5,459.00/x
  3. Step 3: Cross multiply
    9,235.22x = 12,742.92 × 5,459.00
  4. Step 4: Simplify right side
    9,235.22x = 69,563,536.57
  5. Step 5: Solve for x
    x = 69,563,536.57/9,235.22
  6. Step 6: Final answer
    x = 7,532.42

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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.