Home / 7,925.04-11,889.23-2,378.39

Finding the Fourth Proportional to 7,925.04, 11,889.23 and 2,378.39

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Solution

The fourth proportional to 7,925.04, 11,889.23 and 2,378.39 is: 3,568.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.04 : 11,889.23 = 2,378.39 : x
  2. Step 2: Convert to fraction form
    7,925.04/11,889.23 = 2,378.39/x
  3. Step 3: Cross multiply
    7,925.04x = 11,889.23 × 2,378.39
  4. Step 4: Simplify right side
    7,925.04x = 28,277,154.40
  5. Step 5: Solve for x
    x = 28,277,154.40/7,925.04
  6. Step 6: Final answer
    x = 3,568.08

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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.