Home / 11,207.06-15,465.56-6,672.90

Finding the Fourth Proportional to 11,207.06, 15,465.56 and 6,672.90

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Solution

The fourth proportional to 11,207.06, 15,465.56 and 6,672.90 is: 9,208.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,207.06 : 15,465.56 = 6,672.90 : x
  2. Step 2: Convert to fraction form
    11,207.06/15,465.56 = 6,672.90/x
  3. Step 3: Cross multiply
    11,207.06x = 15,465.56 × 6,672.90
  4. Step 4: Simplify right side
    11,207.06x = 103,200,152.01
  5. Step 5: Solve for x
    x = 103,200,152.01/11,207.06
  6. Step 6: Final answer
    x = 9,208.50

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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.