Home / 11,330.04-15,635.25-7,021.98

Finding the Fourth Proportional to 11,330.04, 15,635.25 and 7,021.98

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Solution

The fourth proportional to 11,330.04, 15,635.25 and 7,021.98 is: 9,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,330.04 : 15,635.25 = 7,021.98 : x
  2. Step 2: Convert to fraction form
    11,330.04/15,635.25 = 7,021.98/x
  3. Step 3: Cross multiply
    11,330.04x = 15,635.25 × 7,021.98
  4. Step 4: Simplify right side
    11,330.04x = 109,790,412.80
  5. Step 5: Solve for x
    x = 109,790,412.80/11,330.04
  6. Step 6: Final answer
    x = 9,690.21

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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.