Home / 11,205.73-15,463.47-6,490.01

Finding the Fourth Proportional to 11,205.73, 15,463.47 and 6,490.01

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Solution

The fourth proportional to 11,205.73, 15,463.47 and 6,490.01 is: 8,955.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,205.73 : 15,463.47 = 6,490.01 : x
  2. Step 2: Convert to fraction form
    11,205.73/15,463.47 = 6,490.01/x
  3. Step 3: Cross multiply
    11,205.73x = 15,463.47 × 6,490.01
  4. Step 4: Simplify right side
    11,205.73x = 100,358,074.93
  5. Step 5: Solve for x
    x = 100,358,074.93/11,205.73
  6. Step 6: Final answer
    x = 8,955.96

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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.