Home / 10,031.55-15,047.37-4,111.66

Finding the Fourth Proportional to 10,031.55, 15,047.37 and 4,111.66

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Solution

The fourth proportional to 10,031.55, 15,047.37 and 4,111.66 is: 6,167.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.55 : 15,047.37 = 4,111.66 : x
  2. Step 2: Convert to fraction form
    10,031.55/15,047.37 = 4,111.66/x
  3. Step 3: Cross multiply
    10,031.55x = 15,047.37 × 4,111.66
  4. Step 4: Simplify right side
    10,031.55x = 61,869,688.14
  5. Step 5: Solve for x
    x = 61,869,688.14/10,031.55
  6. Step 6: Final answer
    x = 6,167.51

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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.