Home / 10,531.53-15,795.48-3,510.75

Finding the Fourth Proportional to 10,531.53, 15,795.48 and 3,510.75

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Solution

The fourth proportional to 10,531.53, 15,795.48 and 3,510.75 is: 5,265.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531.53 : 15,795.48 = 3,510.75 : x
  2. Step 2: Convert to fraction form
    10,531.53/15,795.48 = 3,510.75/x
  3. Step 3: Cross multiply
    10,531.53x = 15,795.48 × 3,510.75
  4. Step 4: Simplify right side
    10,531.53x = 55,453,981.41
  5. Step 5: Solve for x
    x = 55,453,981.41/10,531.53
  6. Step 6: Final answer
    x = 5,265.52

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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.