Home / 10,771.40-16,124.70-9,475.40

Finding the Fourth Proportional to 10,771.40, 16,124.70 and 9,475.40

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Solution

The fourth proportional to 10,771.40, 16,124.70 and 9,475.40 is: 14,184.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,771.40 : 16,124.70 = 9,475.40 : x
  2. Step 2: Convert to fraction form
    10,771.40/16,124.70 = 9,475.40/x
  3. Step 3: Cross multiply
    10,771.40x = 16,124.70 × 9,475.40
  4. Step 4: Simplify right side
    10,771.40x = 152,787,982.38
  5. Step 5: Solve for x
    x = 152,787,982.38/10,771.40
  6. Step 6: Final answer
    x = 14,184.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.