Home / 7,633.18-11,455.61-3,417.74

Finding the Fourth Proportional to 7,633.18, 11,455.61 and 3,417.74

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Solution

The fourth proportional to 7,633.18, 11,455.61 and 3,417.74 is: 5,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633.18 : 11,455.61 = 3,417.74 : x
  2. Step 2: Convert to fraction form
    7,633.18/11,455.61 = 3,417.74/x
  3. Step 3: Cross multiply
    7,633.18x = 11,455.61 × 3,417.74
  4. Step 4: Simplify right side
    7,633.18x = 39,152,222.15
  5. Step 5: Solve for x
    x = 39,152,222.15/7,633.18
  6. Step 6: Final answer
    x = 5,129.22

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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.