Home / 8,820.84-13,196.70-6,360.36

Finding the Fourth Proportional to 8,820.84, 13,196.70 and 6,360.36

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Solution

The fourth proportional to 8,820.84, 13,196.70 and 6,360.36 is: 9,515.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.84 : 13,196.70 = 6,360.36 : x
  2. Step 2: Convert to fraction form
    8,820.84/13,196.70 = 6,360.36/x
  3. Step 3: Cross multiply
    8,820.84x = 13,196.70 × 6,360.36
  4. Step 4: Simplify right side
    8,820.84x = 83,935,762.81
  5. Step 5: Solve for x
    x = 83,935,762.81/8,820.84
  6. Step 6: Final answer
    x = 9,515.62

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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.