Home / 7,848.48-10,830.78-4,311.84

Finding the Fourth Proportional to 7,848.48, 10,830.78 and 4,311.84

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Solution

The fourth proportional to 7,848.48, 10,830.78 and 4,311.84 is: 5,950.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,848.48 : 10,830.78 = 4,311.84 : x
  2. Step 2: Convert to fraction form
    7,848.48/10,830.78 = 4,311.84/x
  3. Step 3: Cross multiply
    7,848.48x = 10,830.78 × 4,311.84
  4. Step 4: Simplify right side
    7,848.48x = 46,700,590.44
  5. Step 5: Solve for x
    x = 46,700,590.44/7,848.48
  6. Step 6: Final answer
    x = 5,950.27

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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.