Home / 12,570.31-17,345.73-7,264.36

Finding the Fourth Proportional to 12,570.31, 17,345.73 and 7,264.36

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Solution

The fourth proportional to 12,570.31, 17,345.73 and 7,264.36 is: 10,024.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,570.31 : 17,345.73 = 7,264.36 : x
  2. Step 2: Convert to fraction form
    12,570.31/17,345.73 = 7,264.36/x
  3. Step 3: Cross multiply
    12,570.31x = 17,345.73 × 7,264.36
  4. Step 4: Simplify right side
    12,570.31x = 126,005,627.18
  5. Step 5: Solve for x
    x = 126,005,627.18/12,570.31
  6. Step 6: Final answer
    x = 10,024.07

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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.