Home / 12,435.95-17,161.55-7,058.43

Finding the Fourth Proportional to 12,435.95, 17,161.55 and 7,058.43

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Solution

The fourth proportional to 12,435.95, 17,161.55 and 7,058.43 is: 9,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,435.95 : 17,161.55 = 7,058.43 : x
  2. Step 2: Convert to fraction form
    12,435.95/17,161.55 = 7,058.43/x
  3. Step 3: Cross multiply
    12,435.95x = 17,161.55 × 7,058.43
  4. Step 4: Simplify right side
    12,435.95x = 121,133,564.07
  5. Step 5: Solve for x
    x = 121,133,564.07/12,435.95
  6. Step 6: Final answer
    x = 9,740.60

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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.