Home / 13,177.08-18,182.34-7,587

Finding the Fourth Proportional to 13,177.08, 18,182.34 and 7,587

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Solution

The fourth proportional to 13,177.08, 18,182.34 and 7,587 is: 10,468.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.08 : 18,182.34 = 7,587 : x
  2. Step 2: Convert to fraction form
    13,177.08/18,182.34 = 7,587/x
  3. Step 3: Cross multiply
    13,177.08x = 18,182.34 × 7,587
  4. Step 4: Simplify right side
    13,177.08x = 137,949,413.58
  5. Step 5: Solve for x
    x = 137,949,413.58/13,177.08
  6. Step 6: Final answer
    x = 10,468.89

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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.