Home / 7,316.20-10,985.10-5,674.60

Finding the Fourth Proportional to 7,316.20, 10,985.10 and 5,674.60

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Solution

The fourth proportional to 7,316.20, 10,985.10 and 5,674.60 is: 8,520.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,316.20 : 10,985.10 = 5,674.60 : x
  2. Step 2: Convert to fraction form
    7,316.20/10,985.10 = 5,674.60/x
  3. Step 3: Cross multiply
    7,316.20x = 10,985.10 × 5,674.60
  4. Step 4: Simplify right side
    7,316.20x = 62,336,048.46
  5. Step 5: Solve for x
    x = 62,336,048.46/7,316.20
  6. Step 6: Final answer
    x = 8,520.28

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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.