Home / 10,503.17-15,749.29-3,106.63

Finding the Fourth Proportional to 10,503.17, 15,749.29 and 3,106.63

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Solution

The fourth proportional to 10,503.17, 15,749.29 and 3,106.63 is: 4,658.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,503.17 : 15,749.29 = 3,106.63 : x
  2. Step 2: Convert to fraction form
    10,503.17/15,749.29 = 3,106.63/x
  3. Step 3: Cross multiply
    10,503.17x = 15,749.29 × 3,106.63
  4. Step 4: Simplify right side
    10,503.17x = 48,927,218.87
  5. Step 5: Solve for x
    x = 48,927,218.87/10,503.17
  6. Step 6: Final answer
    x = 4,658.33

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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.