Home / 10,102.12-15,153.48-4,835.70

Finding the Fourth Proportional to 10,102.12, 15,153.48 and 4,835.70

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Solution

The fourth proportional to 10,102.12, 15,153.48 and 4,835.70 is: 7,253.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.12 : 15,153.48 = 4,835.70 : x
  2. Step 2: Convert to fraction form
    10,102.12/15,153.48 = 4,835.70/x
  3. Step 3: Cross multiply
    10,102.12x = 15,153.48 × 4,835.70
  4. Step 4: Simplify right side
    10,102.12x = 73,277,683.24
  5. Step 5: Solve for x
    x = 73,277,683.24/10,102.12
  6. Step 6: Final answer
    x = 7,253.70

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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.