Home / 8,778.08-12,113.88-5,946.32

Finding the Fourth Proportional to 8,778.08, 12,113.88 and 5,946.32

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Solution

The fourth proportional to 8,778.08, 12,113.88 and 5,946.32 is: 8,206.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,778.08 : 12,113.88 = 5,946.32 : x
  2. Step 2: Convert to fraction form
    8,778.08/12,113.88 = 5,946.32/x
  3. Step 3: Cross multiply
    8,778.08x = 12,113.88 × 5,946.32
  4. Step 4: Simplify right side
    8,778.08x = 72,033,006.92
  5. Step 5: Solve for x
    x = 72,033,006.92/8,778.08
  6. Step 6: Final answer
    x = 8,206.01

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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.