Home / 7,421.58-11,127.48-3,034.62

Finding the Fourth Proportional to 7,421.58, 11,127.48 and 3,034.62

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Solution

The fourth proportional to 7,421.58, 11,127.48 and 3,034.62 is: 4,549.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.58 : 11,127.48 = 3,034.62 : x
  2. Step 2: Convert to fraction form
    7,421.58/11,127.48 = 3,034.62/x
  3. Step 3: Cross multiply
    7,421.58x = 11,127.48 × 3,034.62
  4. Step 4: Simplify right side
    7,421.58x = 33,767,673.36
  5. Step 5: Solve for x
    x = 33,767,673.36/7,421.58
  6. Step 6: Final answer
    x = 4,549.93

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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.