Home / 10,530.91-15,763.51-8,956.27

Finding the Fourth Proportional to 10,530.91, 15,763.51 and 8,956.27

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Solution

The fourth proportional to 10,530.91, 15,763.51 and 8,956.27 is: 13,406.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,530.91 : 15,763.51 = 8,956.27 : x
  2. Step 2: Convert to fraction form
    10,530.91/15,763.51 = 8,956.27/x
  3. Step 3: Cross multiply
    10,530.91x = 15,763.51 × 8,956.27
  4. Step 4: Simplify right side
    10,530.91x = 141,182,251.71
  5. Step 5: Solve for x
    x = 141,182,251.71/10,530.91
  6. Step 6: Final answer
    x = 13,406.46

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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.