Home / 11,336.08-15,639.48-8,359

Finding the Fourth Proportional to 11,336.08, 15,639.48 and 8,359

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Solution

The fourth proportional to 11,336.08, 15,639.48 and 8,359 is: 11,532.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.08 : 15,639.48 = 8,359 : x
  2. Step 2: Convert to fraction form
    11,336.08/15,639.48 = 8,359/x
  3. Step 3: Cross multiply
    11,336.08x = 15,639.48 × 8,359
  4. Step 4: Simplify right side
    11,336.08x = 130,730,413.32
  5. Step 5: Solve for x
    x = 130,730,413.32/11,336.08
  6. Step 6: Final answer
    x = 11,532.24

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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.