Home / 10,071.12-15,111.63-4,528.38

Finding the Fourth Proportional to 10,071.12, 15,111.63 and 4,528.38

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Solution

The fourth proportional to 10,071.12, 15,111.63 and 4,528.38 is: 6,794.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,071.12 : 15,111.63 = 4,528.38 : x
  2. Step 2: Convert to fraction form
    10,071.12/15,111.63 = 4,528.38/x
  3. Step 3: Cross multiply
    10,071.12x = 15,111.63 × 4,528.38
  4. Step 4: Simplify right side
    10,071.12x = 68,431,203.06
  5. Step 5: Solve for x
    x = 68,431,203.06/10,071.12
  6. Step 6: Final answer
    x = 6,794.80

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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.