Home / 10,105.04-15,147.63-4,838.55

Finding the Fourth Proportional to 10,105.04, 15,147.63 and 4,838.55

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Solution

The fourth proportional to 10,105.04, 15,147.63 and 4,838.55 is: 7,253.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,105.04 : 15,147.63 = 4,838.55 : x
  2. Step 2: Convert to fraction form
    10,105.04/15,147.63 = 4,838.55/x
  3. Step 3: Cross multiply
    10,105.04x = 15,147.63 × 4,838.55
  4. Step 4: Simplify right side
    10,105.04x = 73,292,565.14
  5. Step 5: Solve for x
    x = 73,292,565.14/10,105.04
  6. Step 6: Final answer
    x = 7,253.07

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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.