Home / 7,378.05-11,066.99-4,417.32

Finding the Fourth Proportional to 7,378.05, 11,066.99 and 4,417.32

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Solution

The fourth proportional to 7,378.05, 11,066.99 and 4,417.32 is: 6,625.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,378.05 : 11,066.99 = 4,417.32 : x
  2. Step 2: Convert to fraction form
    7,378.05/11,066.99 = 4,417.32/x
  3. Step 3: Cross multiply
    7,378.05x = 11,066.99 × 4,417.32
  4. Step 4: Simplify right side
    7,378.05x = 48,886,393.43
  5. Step 5: Solve for x
    x = 48,886,393.43/7,378.05
  6. Step 6: Final answer
    x = 6,625.92

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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.