Home / 8,994.32-12,415.59-6,762.68

Finding the Fourth Proportional to 8,994.32, 12,415.59 and 6,762.68

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Solution

The fourth proportional to 8,994.32, 12,415.59 and 6,762.68 is: 9,335.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,994.32 : 12,415.59 = 6,762.68 : x
  2. Step 2: Convert to fraction form
    8,994.32/12,415.59 = 6,762.68/x
  3. Step 3: Cross multiply
    8,994.32x = 12,415.59 × 6,762.68
  4. Step 4: Simplify right side
    8,994.32x = 83,962,636.82
  5. Step 5: Solve for x
    x = 83,962,636.82/8,994.32
  6. Step 6: Final answer
    x = 9,335.07

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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.