Home / 10,916.13-15,064.20-6,200.31

Finding the Fourth Proportional to 10,916.13, 15,064.20 and 6,200.31

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Solution

The fourth proportional to 10,916.13, 15,064.20 and 6,200.31 is: 8,556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,916.13 : 15,064.20 = 6,200.31 : x
  2. Step 2: Convert to fraction form
    10,916.13/15,064.20 = 6,200.31/x
  3. Step 3: Cross multiply
    10,916.13x = 15,064.20 × 6,200.31
  4. Step 4: Simplify right side
    10,916.13x = 93,402,709.90
  5. Step 5: Solve for x
    x = 93,402,709.90/10,916.13
  6. Step 6: Final answer
    x = 8,556.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.