Home / 10,520.96-15,802.45-6,579.23

Finding the Fourth Proportional to 10,520.96, 15,802.45 and 6,579.23

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Solution

The fourth proportional to 10,520.96, 15,802.45 and 6,579.23 is: 9,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,520.96 : 15,802.45 = 6,579.23 : x
  2. Step 2: Convert to fraction form
    10,520.96/15,802.45 = 6,579.23/x
  3. Step 3: Cross multiply
    10,520.96x = 15,802.45 × 6,579.23
  4. Step 4: Simplify right side
    10,520.96x = 103,967,953.11
  5. Step 5: Solve for x
    x = 103,967,953.11/10,520.96
  6. Step 6: Final answer
    x = 9,881.98

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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.