Home / 8,477.50-11,698.58-4,700.66

Finding the Fourth Proportional to 8,477.50, 11,698.58 and 4,700.66

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Solution

The fourth proportional to 8,477.50, 11,698.58 and 4,700.66 is: 6,486.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477.50 : 11,698.58 = 4,700.66 : x
  2. Step 2: Convert to fraction form
    8,477.50/11,698.58 = 4,700.66/x
  3. Step 3: Cross multiply
    8,477.50x = 11,698.58 × 4,700.66
  4. Step 4: Simplify right side
    8,477.50x = 54,991,047.06
  5. Step 5: Solve for x
    x = 54,991,047.06/8,477.50
  6. Step 6: Final answer
    x = 6,486.71

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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.