Home / 10,153.78-15,194.61-6,203.81

Finding the Fourth Proportional to 10,153.78, 15,194.61 and 6,203.81

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Solution

The fourth proportional to 10,153.78, 15,194.61 and 6,203.81 is: 9,283.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,153.78 : 15,194.61 = 6,203.81 : x
  2. Step 2: Convert to fraction form
    10,153.78/15,194.61 = 6,203.81/x
  3. Step 3: Cross multiply
    10,153.78x = 15,194.61 × 6,203.81
  4. Step 4: Simplify right side
    10,153.78x = 94,264,473.46
  5. Step 5: Solve for x
    x = 94,264,473.46/10,153.78
  6. Step 6: Final answer
    x = 9,283.68

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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.