Home / 7,912.63-11,867.18-2,365.25

Finding the Fourth Proportional to 7,912.63, 11,867.18 and 2,365.25

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Solution

The fourth proportional to 7,912.63, 11,867.18 and 2,365.25 is: 3,547.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.63 : 11,867.18 = 2,365.25 : x
  2. Step 2: Convert to fraction form
    7,912.63/11,867.18 = 2,365.25/x
  3. Step 3: Cross multiply
    7,912.63x = 11,867.18 × 2,365.25
  4. Step 4: Simplify right side
    7,912.63x = 28,068,835.67
  5. Step 5: Solve for x
    x = 28,068,835.67/7,912.63
  6. Step 6: Final answer
    x = 3,547.35

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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.