Home / 10,567.85-15,851.76-3,172.30

Finding the Fourth Proportional to 10,567.85, 15,851.76 and 3,172.30

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Solution

The fourth proportional to 10,567.85, 15,851.76 and 3,172.30 is: 4,758.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,567.85 : 15,851.76 = 3,172.30 : x
  2. Step 2: Convert to fraction form
    10,567.85/15,851.76 = 3,172.30/x
  3. Step 3: Cross multiply
    10,567.85x = 15,851.76 × 3,172.30
  4. Step 4: Simplify right side
    10,567.85x = 50,286,538.25
  5. Step 5: Solve for x
    x = 50,286,538.25/10,567.85
  6. Step 6: Final answer
    x = 4,758.45

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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.