Home / 10,330.16-15,488.76-6,816.44

Finding the Fourth Proportional to 10,330.16, 15,488.76 and 6,816.44

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Solution

The fourth proportional to 10,330.16, 15,488.76 and 6,816.44 is: 10,220.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,330.16 : 15,488.76 = 6,816.44 : x
  2. Step 2: Convert to fraction form
    10,330.16/15,488.76 = 6,816.44/x
  3. Step 3: Cross multiply
    10,330.16x = 15,488.76 × 6,816.44
  4. Step 4: Simplify right side
    10,330.16x = 105,578,203.21
  5. Step 5: Solve for x
    x = 105,578,203.21/10,330.16
  6. Step 6: Final answer
    x = 10,220.38

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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.