Home / 12,262.06-16,918.68-7,225.90

Finding the Fourth Proportional to 12,262.06, 16,918.68 and 7,225.90

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Solution

The fourth proportional to 12,262.06, 16,918.68 and 7,225.90 is: 9,970.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,262.06 : 16,918.68 = 7,225.90 : x
  2. Step 2: Convert to fraction form
    12,262.06/16,918.68 = 7,225.90/x
  3. Step 3: Cross multiply
    12,262.06x = 16,918.68 × 7,225.90
  4. Step 4: Simplify right side
    12,262.06x = 122,252,689.81
  5. Step 5: Solve for x
    x = 122,252,689.81/12,262.06
  6. Step 6: Final answer
    x = 9,970.00

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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.