Home / 8,525.14-11,762.88-4,986.75

Finding the Fourth Proportional to 8,525.14, 11,762.88 and 4,986.75

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Solution

The fourth proportional to 8,525.14, 11,762.88 and 4,986.75 is: 6,880.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,525.14 : 11,762.88 = 4,986.75 : x
  2. Step 2: Convert to fraction form
    8,525.14/11,762.88 = 4,986.75/x
  3. Step 3: Cross multiply
    8,525.14x = 11,762.88 × 4,986.75
  4. Step 4: Simplify right side
    8,525.14x = 58,658,541.84
  5. Step 5: Solve for x
    x = 58,658,541.84/8,525.14
  6. Step 6: Final answer
    x = 6,880.65

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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.