Home / 7,854.84-11,779.63-4,154.90

Finding the Fourth Proportional to 7,854.84, 11,779.63 and 4,154.90

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Solution

The fourth proportional to 7,854.84, 11,779.63 and 4,154.90 is: 6,230.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,854.84 : 11,779.63 = 4,154.90 : x
  2. Step 2: Convert to fraction form
    7,854.84/11,779.63 = 4,154.90/x
  3. Step 3: Cross multiply
    7,854.84x = 11,779.63 × 4,154.90
  4. Step 4: Simplify right side
    7,854.84x = 48,943,115.40
  5. Step 5: Solve for x
    x = 48,943,115.40/7,854.84
  6. Step 6: Final answer
    x = 6,230.95

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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.