Home / 12,262.50-16,920.90-6,957.36

Finding the Fourth Proportional to 12,262.50, 16,920.90 and 6,957.36

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Solution

The fourth proportional to 12,262.50, 16,920.90 and 6,957.36 is: 9,600.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.50 : 16,920.90 = 6,957.36 : x
  2. Step 2: Convert to fraction form
    12,262.50/16,920.90 = 6,957.36/x
  3. Step 3: Cross multiply
    12,262.50x = 16,920.90 × 6,957.36
  4. Step 4: Simplify right side
    12,262.50x = 117,724,792.82
  5. Step 5: Solve for x
    x = 117,724,792.82/12,262.50
  6. Step 6: Final answer
    x = 9,600.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.