Home / 7,478.45-10,319.96-4,334.63

Finding the Fourth Proportional to 7,478.45, 10,319.96 and 4,334.63

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Solution

The fourth proportional to 7,478.45, 10,319.96 and 4,334.63 is: 5,981.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,478.45 : 10,319.96 = 4,334.63 : x
  2. Step 2: Convert to fraction form
    7,478.45/10,319.96 = 4,334.63/x
  3. Step 3: Cross multiply
    7,478.45x = 10,319.96 × 4,334.63
  4. Step 4: Simplify right side
    7,478.45x = 44,733,244.85
  5. Step 5: Solve for x
    x = 44,733,244.85/7,478.45
  6. Step 6: Final answer
    x = 5,981.62

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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.