Home / 7,645.32-11,465.90-2,097.35

Finding the Fourth Proportional to 7,645.32, 11,465.90 and 2,097.35

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Solution

The fourth proportional to 7,645.32, 11,465.90 and 2,097.35 is: 3,145.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.32 : 11,465.90 = 2,097.35 : x
  2. Step 2: Convert to fraction form
    7,645.32/11,465.90 = 2,097.35/x
  3. Step 3: Cross multiply
    7,645.32x = 11,465.90 × 2,097.35
  4. Step 4: Simplify right side
    7,645.32x = 24,047,997.72
  5. Step 5: Solve for x
    x = 24,047,997.72/7,645.32
  6. Step 6: Final answer
    x = 3,145.45

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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.