Home / 8,707.83-12,017.08-4,930.93

Finding the Fourth Proportional to 8,707.83, 12,017.08 and 4,930.93

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Solution

The fourth proportional to 8,707.83, 12,017.08 and 4,930.93 is: 6,804.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.83 : 12,017.08 = 4,930.93 : x
  2. Step 2: Convert to fraction form
    8,707.83/12,017.08 = 4,930.93/x
  3. Step 3: Cross multiply
    8,707.83x = 12,017.08 × 4,930.93
  4. Step 4: Simplify right side
    8,707.83x = 59,255,380.28
  5. Step 5: Solve for x
    x = 59,255,380.28/8,707.83
  6. Step 6: Final answer
    x = 6,804.84

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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.