Home / 12,572.04-18,851.58-5,175.12

Finding the Fourth Proportional to 12,572.04, 18,851.58 and 5,175.12

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Solution

The fourth proportional to 12,572.04, 18,851.58 and 5,175.12 is: 7,760.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,572.04 : 18,851.58 = 5,175.12 : x
  2. Step 2: Convert to fraction form
    12,572.04/18,851.58 = 5,175.12/x
  3. Step 3: Cross multiply
    12,572.04x = 18,851.58 × 5,175.12
  4. Step 4: Simplify right side
    12,572.04x = 97,559,188.69
  5. Step 5: Solve for x
    x = 97,559,188.69/12,572.04
  6. Step 6: Final answer
    x = 7,760.01

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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.