Home / 7,948.10-11,922.15-5,770.67

Finding the Fourth Proportional to 7,948.10, 11,922.15 and 5,770.67

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Solution

The fourth proportional to 7,948.10, 11,922.15 and 5,770.67 is: 8,656.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,948.10 : 11,922.15 = 5,770.67 : x
  2. Step 2: Convert to fraction form
    7,948.10/11,922.15 = 5,770.67/x
  3. Step 3: Cross multiply
    7,948.10x = 11,922.15 × 5,770.67
  4. Step 4: Simplify right side
    7,948.10x = 68,798,788.90
  5. Step 5: Solve for x
    x = 68,798,788.90/7,948.10
  6. Step 6: Final answer
    x = 8,656.00

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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.