Home / 8,677.59-11,975.09-4,698.74

Finding the Fourth Proportional to 8,677.59, 11,975.09 and 4,698.74

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Solution

The fourth proportional to 8,677.59, 11,975.09 and 4,698.74 is: 6,484.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,677.59 : 11,975.09 = 4,698.74 : x
  2. Step 2: Convert to fraction form
    8,677.59/11,975.09 = 4,698.74/x
  3. Step 3: Cross multiply
    8,677.59x = 11,975.09 × 4,698.74
  4. Step 4: Simplify right side
    8,677.59x = 56,267,751.02
  5. Step 5: Solve for x
    x = 56,267,751.02/8,677.59
  6. Step 6: Final answer
    x = 6,484.26

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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.