Home / 11,400.57-17,070.17-7,442.01

Finding the Fourth Proportional to 11,400.57, 17,070.17 and 7,442.01

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Solution

The fourth proportional to 11,400.57, 17,070.17 and 7,442.01 is: 11,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,400.57 : 17,070.17 = 7,442.01 : x
  2. Step 2: Convert to fraction form
    11,400.57/17,070.17 = 7,442.01/x
  3. Step 3: Cross multiply
    11,400.57x = 17,070.17 × 7,442.01
  4. Step 4: Simplify right side
    11,400.57x = 127,036,338.63
  5. Step 5: Solve for x
    x = 127,036,338.63/11,400.57
  6. Step 6: Final answer
    x = 11,142.98

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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.