Home / 7,470.06-11,205.15-1,923.45

Finding the Fourth Proportional to 7,470.06, 11,205.15 and 1,923.45

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Solution

The fourth proportional to 7,470.06, 11,205.15 and 1,923.45 is: 2,885.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,470.06 : 11,205.15 = 1,923.45 : x
  2. Step 2: Convert to fraction form
    7,470.06/11,205.15 = 1,923.45/x
  3. Step 3: Cross multiply
    7,470.06x = 11,205.15 × 1,923.45
  4. Step 4: Simplify right side
    7,470.06x = 21,552,545.77
  5. Step 5: Solve for x
    x = 21,552,545.77/7,470.06
  6. Step 6: Final answer
    x = 2,885.19

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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.