Home / 12,435.23-17,160.90-7,058.02

Finding the Fourth Proportional to 12,435.23, 17,160.90 and 7,058.02

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Solution

The fourth proportional to 12,435.23, 17,160.90 and 7,058.02 is: 9,740.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.23 : 17,160.90 = 7,058.02 : x
  2. Step 2: Convert to fraction form
    12,435.23/17,160.90 = 7,058.02/x
  3. Step 3: Cross multiply
    12,435.23x = 17,160.90 × 7,058.02
  4. Step 4: Simplify right side
    12,435.23x = 121,121,940.13
  5. Step 5: Solve for x
    x = 121,121,940.13/12,435.23
  6. Step 6: Final answer
    x = 9,740.23

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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.