Home / 8,772.48-13,158.29-3,225.40

Finding the Fourth Proportional to 8,772.48, 13,158.29 and 3,225.40

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Solution

The fourth proportional to 8,772.48, 13,158.29 and 3,225.40 is: 4,837.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,772.48 : 13,158.29 = 3,225.40 : x
  2. Step 2: Convert to fraction form
    8,772.48/13,158.29 = 3,225.40/x
  3. Step 3: Cross multiply
    8,772.48x = 13,158.29 × 3,225.40
  4. Step 4: Simplify right side
    8,772.48x = 42,440,748.57
  5. Step 5: Solve for x
    x = 42,440,748.57/8,772.48
  6. Step 6: Final answer
    x = 4,837.94

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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.