Home / 10,526.20-15,752.80-7,610.20

Finding the Fourth Proportional to 10,526.20, 15,752.80 and 7,610.20

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Solution

The fourth proportional to 10,526.20, 15,752.80 and 7,610.20 is: 11,388.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,526.20 : 15,752.80 = 7,610.20 : x
  2. Step 2: Convert to fraction form
    10,526.20/15,752.80 = 7,610.20/x
  3. Step 3: Cross multiply
    10,526.20x = 15,752.80 × 7,610.20
  4. Step 4: Simplify right side
    10,526.20x = 119,881,958.56
  5. Step 5: Solve for x
    x = 119,881,958.56/10,526.20
  6. Step 6: Final answer
    x = 11,388.91

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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.