Home / 7,307.12-10,946.10-4,527.20

Finding the Fourth Proportional to 7,307.12, 10,946.10 and 4,527.20

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Solution

The fourth proportional to 7,307.12, 10,946.10 and 4,527.20 is: 6,781.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,307.12 : 10,946.10 = 4,527.20 : x
  2. Step 2: Convert to fraction form
    7,307.12/10,946.10 = 4,527.20/x
  3. Step 3: Cross multiply
    7,307.12x = 10,946.10 × 4,527.20
  4. Step 4: Simplify right side
    7,307.12x = 49,555,183.92
  5. Step 5: Solve for x
    x = 49,555,183.92/7,307.12
  6. Step 6: Final answer
    x = 6,781.77

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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.