Home / 7,116.53-10,666.68-4,449.35

Finding the Fourth Proportional to 7,116.53, 10,666.68 and 4,449.35

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Solution

The fourth proportional to 7,116.53, 10,666.68 and 4,449.35 is: 6,668.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,116.53 : 10,666.68 = 4,449.35 : x
  2. Step 2: Convert to fraction form
    7,116.53/10,666.68 = 4,449.35/x
  3. Step 3: Cross multiply
    7,116.53x = 10,666.68 × 4,449.35
  4. Step 4: Simplify right side
    7,116.53x = 47,459,739.32
  5. Step 5: Solve for x
    x = 47,459,739.32/7,116.53
  6. Step 6: Final answer
    x = 6,668.95

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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.