Home / 10,539.08-15,825.06-10,071.68

Finding the Fourth Proportional to 10,539.08, 15,825.06 and 10,071.68

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Solution

The fourth proportional to 10,539.08, 15,825.06 and 10,071.68 is: 15,123.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.08 : 15,825.06 = 10,071.68 : x
  2. Step 2: Convert to fraction form
    10,539.08/15,825.06 = 10,071.68/x
  3. Step 3: Cross multiply
    10,539.08x = 15,825.06 × 10,071.68
  4. Step 4: Simplify right side
    10,539.08x = 159,384,940.30
  5. Step 5: Solve for x
    x = 159,384,940.30/10,539.08
  6. Step 6: Final answer
    x = 15,123.23

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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.