Home / 7,421.16-11,123.09-6,036.98

Finding the Fourth Proportional to 7,421.16, 11,123.09 and 6,036.98

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Solution

The fourth proportional to 7,421.16, 11,123.09 and 6,036.98 is: 9,048.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,421.16 : 11,123.09 = 6,036.98 : x
  2. Step 2: Convert to fraction form
    7,421.16/11,123.09 = 6,036.98/x
  3. Step 3: Cross multiply
    7,421.16x = 11,123.09 × 6,036.98
  4. Step 4: Simplify right side
    7,421.16x = 67,149,786.07
  5. Step 5: Solve for x
    x = 67,149,786.07/7,421.16
  6. Step 6: Final answer
    x = 9,048.42

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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.