Home / 10,956.24-16,430.52-4,381.20

Finding the Fourth Proportional to 10,956.24, 16,430.52 and 4,381.20

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Solution

The fourth proportional to 10,956.24, 16,430.52 and 4,381.20 is: 6,570.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,956.24 : 16,430.52 = 4,381.20 : x
  2. Step 2: Convert to fraction form
    10,956.24/16,430.52 = 4,381.20/x
  3. Step 3: Cross multiply
    10,956.24x = 16,430.52 × 4,381.20
  4. Step 4: Simplify right side
    10,956.24x = 71,985,394.22
  5. Step 5: Solve for x
    x = 71,985,394.22/10,956.24
  6. Step 6: Final answer
    x = 6,570.26

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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.