Home / 7,925.51-11,894.86-4,178.63

Finding the Fourth Proportional to 7,925.51, 11,894.86 and 4,178.63

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Solution

The fourth proportional to 7,925.51, 11,894.86 and 4,178.63 is: 6,271.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,925.51 : 11,894.86 = 4,178.63 : x
  2. Step 2: Convert to fraction form
    7,925.51/11,894.86 = 4,178.63/x
  3. Step 3: Cross multiply
    7,925.51x = 11,894.86 × 4,178.63
  4. Step 4: Simplify right side
    7,925.51x = 49,704,218.84
  5. Step 5: Solve for x
    x = 49,704,218.84/7,925.51
  6. Step 6: Final answer
    x = 6,271.42

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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.