Home / 11,542.85-15,925.39-7,061.93

Finding the Fourth Proportional to 11,542.85, 15,925.39 and 7,061.93

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Solution

The fourth proportional to 11,542.85, 15,925.39 and 7,061.93 is: 9,743.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,542.85 : 15,925.39 = 7,061.93 : x
  2. Step 2: Convert to fraction form
    11,542.85/15,925.39 = 7,061.93/x
  3. Step 3: Cross multiply
    11,542.85x = 15,925.39 × 7,061.93
  4. Step 4: Simplify right side
    11,542.85x = 112,463,989.40
  5. Step 5: Solve for x
    x = 112,463,989.40/11,542.85
  6. Step 6: Final answer
    x = 9,743.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.