Home / 10,626.42-15,921.88-7,501.30

Finding the Fourth Proportional to 10,626.42, 15,921.88 and 7,501.30

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Solution

The fourth proportional to 10,626.42, 15,921.88 and 7,501.30 is: 11,239.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,626.42 : 15,921.88 = 7,501.30 : x
  2. Step 2: Convert to fraction form
    10,626.42/15,921.88 = 7,501.30/x
  3. Step 3: Cross multiply
    10,626.42x = 15,921.88 × 7,501.30
  4. Step 4: Simplify right side
    10,626.42x = 119,434,798.44
  5. Step 5: Solve for x
    x = 119,434,798.44/10,626.42
  6. Step 6: Final answer
    x = 11,239.42

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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.