Home / 11,484.86-15,850.57-7,007.66

Finding the Fourth Proportional to 11,484.86, 15,850.57 and 7,007.66

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Solution

The fourth proportional to 11,484.86, 15,850.57 and 7,007.66 is: 9,671.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,484.86 : 15,850.57 = 7,007.66 : x
  2. Step 2: Convert to fraction form
    11,484.86/15,850.57 = 7,007.66/x
  3. Step 3: Cross multiply
    11,484.86x = 15,850.57 × 7,007.66
  4. Step 4: Simplify right side
    11,484.86x = 111,075,394.31
  5. Step 5: Solve for x
    x = 111,075,394.31/11,484.86
  6. Step 6: Final answer
    x = 9,671.46

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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.