Home / 10,127.04-15,191.10-3,201

Finding the Fourth Proportional to 10,127.04, 15,191.10 and 3,201

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Solution

The fourth proportional to 10,127.04, 15,191.10 and 3,201 is: 4,801.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127.04 : 15,191.10 = 3,201 : x
  2. Step 2: Convert to fraction form
    10,127.04/15,191.10 = 3,201/x
  3. Step 3: Cross multiply
    10,127.04x = 15,191.10 × 3,201
  4. Step 4: Simplify right side
    10,127.04x = 48,626,711.10
  5. Step 5: Solve for x
    x = 48,626,711.10/10,127.04
  6. Step 6: Final answer
    x = 4,801.67

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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.