Home / 8,756.16-12,087.96-6,762.24

Finding the Fourth Proportional to 8,756.16, 12,087.96 and 6,762.24

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Solution

The fourth proportional to 8,756.16, 12,087.96 and 6,762.24 is: 9,335.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.16 : 12,087.96 = 6,762.24 : x
  2. Step 2: Convert to fraction form
    8,756.16/12,087.96 = 6,762.24/x
  3. Step 3: Cross multiply
    8,756.16x = 12,087.96 × 6,762.24
  4. Step 4: Simplify right side
    8,756.16x = 81,741,686.63
  5. Step 5: Solve for x
    x = 81,741,686.63/8,756.16
  6. Step 6: Final answer
    x = 9,335.33

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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.