Home / 10,526.12-15,784.86-3,948.92

Finding the Fourth Proportional to 10,526.12, 15,784.86 and 3,948.92

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Solution

The fourth proportional to 10,526.12, 15,784.86 and 3,948.92 is: 5,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,526.12 : 15,784.86 = 3,948.92 : x
  2. Step 2: Convert to fraction form
    10,526.12/15,784.86 = 3,948.92/x
  3. Step 3: Cross multiply
    10,526.12x = 15,784.86 × 3,948.92
  4. Step 4: Simplify right side
    10,526.12x = 62,333,149.35
  5. Step 5: Solve for x
    x = 62,333,149.35/10,526.12
  6. Step 6: Final answer
    x = 5,921.76

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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.