Home / 10,031.04-15,035.90-7,256.39

Finding the Fourth Proportional to 10,031.04, 15,035.90 and 7,256.39

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Solution

The fourth proportional to 10,031.04, 15,035.90 and 7,256.39 is: 10,876.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,031.04 : 15,035.90 = 7,256.39 : x
  2. Step 2: Convert to fraction form
    10,031.04/15,035.90 = 7,256.39/x
  3. Step 3: Cross multiply
    10,031.04x = 15,035.90 × 7,256.39
  4. Step 4: Simplify right side
    10,031.04x = 109,106,242.94
  5. Step 5: Solve for x
    x = 109,106,242.94/10,031.04
  6. Step 6: Final answer
    x = 10,876.86

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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.