Home / 12,325.35-17,010.74-7,020.66

Finding the Fourth Proportional to 12,325.35, 17,010.74 and 7,020.66

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Solution

The fourth proportional to 12,325.35, 17,010.74 and 7,020.66 is: 9,689.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,325.35 : 17,010.74 = 7,020.66 : x
  2. Step 2: Convert to fraction form
    12,325.35/17,010.74 = 7,020.66/x
  3. Step 3: Cross multiply
    12,325.35x = 17,010.74 × 7,020.66
  4. Step 4: Simplify right side
    12,325.35x = 119,426,621.89
  5. Step 5: Solve for x
    x = 119,426,621.89/12,325.35
  6. Step 6: Final answer
    x = 9,689.51

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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.