Home / 7,321.10-10,981.65-4,696.70

Finding the Fourth Proportional to 7,321.10, 10,981.65 and 4,696.70

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Solution

The fourth proportional to 7,321.10, 10,981.65 and 4,696.70 is: 7,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,321.10 : 10,981.65 = 4,696.70 : x
  2. Step 2: Convert to fraction form
    7,321.10/10,981.65 = 4,696.70/x
  3. Step 3: Cross multiply
    7,321.10x = 10,981.65 × 4,696.70
  4. Step 4: Simplify right side
    7,321.10x = 51,577,515.56
  5. Step 5: Solve for x
    x = 51,577,515.56/7,321.10
  6. Step 6: Final answer
    x = 7,045.05

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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.