Home / 12,583.31-17,363.55-7,547.73

Finding the Fourth Proportional to 12,583.31, 17,363.55 and 7,547.73

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Solution

The fourth proportional to 12,583.31, 17,363.55 and 7,547.73 is: 10,415.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,583.31 : 17,363.55 = 7,547.73 : x
  2. Step 2: Convert to fraction form
    12,583.31/17,363.55 = 7,547.73/x
  3. Step 3: Cross multiply
    12,583.31x = 17,363.55 × 7,547.73
  4. Step 4: Simplify right side
    12,583.31x = 131,055,387.24
  5. Step 5: Solve for x
    x = 131,055,387.24/12,583.31
  6. Step 6: Final answer
    x = 10,415.02

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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.