Home / 9,212.18-12,712.86-5,233.52

Finding the Fourth Proportional to 9,212.18, 12,712.86 and 5,233.52

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Solution

The fourth proportional to 9,212.18, 12,712.86 and 5,233.52 is: 7,222.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,212.18 : 12,712.86 = 5,233.52 : x
  2. Step 2: Convert to fraction form
    9,212.18/12,712.86 = 5,233.52/x
  3. Step 3: Cross multiply
    9,212.18x = 12,712.86 × 5,233.52
  4. Step 4: Simplify right side
    9,212.18x = 66,533,038.85
  5. Step 5: Solve for x
    x = 66,533,038.85/9,212.18
  6. Step 6: Final answer
    x = 7,222.29

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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.