Home / 11,975.60-16,526.50-6,871.94

Finding the Fourth Proportional to 11,975.60, 16,526.50 and 6,871.94

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Solution

The fourth proportional to 11,975.60, 16,526.50 and 6,871.94 is: 9,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.60 : 16,526.50 = 6,871.94 : x
  2. Step 2: Convert to fraction form
    11,975.60/16,526.50 = 6,871.94/x
  3. Step 3: Cross multiply
    11,975.60x = 16,526.50 × 6,871.94
  4. Step 4: Simplify right side
    11,975.60x = 113,569,140.55
  5. Step 5: Solve for x
    x = 113,569,140.55/11,975.60
  6. Step 6: Final answer
    x = 9,483.38

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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.