Home / 12,623.02-17,425.68-7,316.86

Finding the Fourth Proportional to 12,623.02, 17,425.68 and 7,316.86

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Solution

The fourth proportional to 12,623.02, 17,425.68 and 7,316.86 is: 10,100.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,623.02 : 17,425.68 = 7,316.86 : x
  2. Step 2: Convert to fraction form
    12,623.02/17,425.68 = 7,316.86/x
  3. Step 3: Cross multiply
    12,623.02x = 17,425.68 × 7,316.86
  4. Step 4: Simplify right side
    12,623.02x = 127,501,260.96
  5. Step 5: Solve for x
    x = 127,501,260.96/12,623.02
  6. Step 6: Final answer
    x = 10,100.69

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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.