Home / 12,070.08-16,634.16-9,413.28

Finding the Fourth Proportional to 12,070.08, 16,634.16 and 9,413.28

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Solution

The fourth proportional to 12,070.08, 16,634.16 and 9,413.28 is: 12,972.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,070.08 : 16,634.16 = 9,413.28 : x
  2. Step 2: Convert to fraction form
    12,070.08/16,634.16 = 9,413.28/x
  3. Step 3: Cross multiply
    12,070.08x = 16,634.16 × 9,413.28
  4. Step 4: Simplify right side
    12,070.08x = 156,582,005.64
  5. Step 5: Solve for x
    x = 156,582,005.64/12,070.08
  6. Step 6: Final answer
    x = 12,972.74

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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.