Home / 10,292.13-15,440.76-4,749.34

Finding the Fourth Proportional to 10,292.13, 15,440.76 and 4,749.34

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Solution

The fourth proportional to 10,292.13, 15,440.76 and 4,749.34 is: 7,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,292.13 : 15,440.76 = 4,749.34 : x
  2. Step 2: Convert to fraction form
    10,292.13/15,440.76 = 4,749.34/x
  3. Step 3: Cross multiply
    10,292.13x = 15,440.76 × 4,749.34
  4. Step 4: Simplify right side
    10,292.13x = 73,333,380.50
  5. Step 5: Solve for x
    x = 73,333,380.50/10,292.13
  6. Step 6: Final answer
    x = 7,125.19

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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.