Home / 7,424.12-10,245.24-4,066.91

Finding the Fourth Proportional to 7,424.12, 10,245.24 and 4,066.91

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Solution

The fourth proportional to 7,424.12, 10,245.24 and 4,066.91 is: 5,612.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.12 : 10,245.24 = 4,066.91 : x
  2. Step 2: Convert to fraction form
    7,424.12/10,245.24 = 4,066.91/x
  3. Step 3: Cross multiply
    7,424.12x = 10,245.24 × 4,066.91
  4. Step 4: Simplify right side
    7,424.12x = 41,666,459.06
  5. Step 5: Solve for x
    x = 41,666,459.06/7,424.12
  6. Step 6: Final answer
    x = 5,612.31

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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.