Home / 7,913.78-11,870.56-2,367.02

Finding the Fourth Proportional to 7,913.78, 11,870.56 and 2,367.02

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Solution

The fourth proportional to 7,913.78, 11,870.56 and 2,367.02 is: 3,550.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,913.78 : 11,870.56 = 2,367.02 : x
  2. Step 2: Convert to fraction form
    7,913.78/11,870.56 = 2,367.02/x
  3. Step 3: Cross multiply
    7,913.78x = 11,870.56 × 2,367.02
  4. Step 4: Simplify right side
    7,913.78x = 28,097,852.93
  5. Step 5: Solve for x
    x = 28,097,852.93/7,913.78
  6. Step 6: Final answer
    x = 3,550.50

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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.