Home / 8,975.96-12,386.75-4,996.83

Finding the Fourth Proportional to 8,975.96, 12,386.75 and 4,996.83

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Solution

The fourth proportional to 8,975.96, 12,386.75 and 4,996.83 is: 6,895.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.96 : 12,386.75 = 4,996.83 : x
  2. Step 2: Convert to fraction form
    8,975.96/12,386.75 = 4,996.83/x
  3. Step 3: Cross multiply
    8,975.96x = 12,386.75 × 4,996.83
  4. Step 4: Simplify right side
    8,975.96x = 61,894,459.02
  5. Step 5: Solve for x
    x = 61,894,459.02/8,975.96
  6. Step 6: Final answer
    x = 6,895.58

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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.