Home / 8,730.60-12,048.52-5,005.32

Finding the Fourth Proportional to 8,730.60, 12,048.52 and 5,005.32

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Solution

The fourth proportional to 8,730.60, 12,048.52 and 5,005.32 is: 6,907.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,730.60 : 12,048.52 = 5,005.32 : x
  2. Step 2: Convert to fraction form
    8,730.60/12,048.52 = 5,005.32/x
  3. Step 3: Cross multiply
    8,730.60x = 12,048.52 × 5,005.32
  4. Step 4: Simplify right side
    8,730.60x = 60,306,698.13
  5. Step 5: Solve for x
    x = 60,306,698.13/8,730.60
  6. Step 6: Final answer
    x = 6,907.51

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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.