Home / 10,525.87-15,784.48-3,948.67

Finding the Fourth Proportional to 10,525.87, 15,784.48 and 3,948.67

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Solution

The fourth proportional to 10,525.87, 15,784.48 and 3,948.67 is: 5,921.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,525.87 : 15,784.48 = 3,948.67 : x
  2. Step 2: Convert to fraction form
    10,525.87/15,784.48 = 3,948.67/x
  3. Step 3: Cross multiply
    10,525.87x = 15,784.48 × 3,948.67
  4. Step 4: Simplify right side
    10,525.87x = 62,327,702.64
  5. Step 5: Solve for x
    x = 62,327,702.64/10,525.87
  6. Step 6: Final answer
    x = 5,921.38

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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.