Home / 7,829.42-10,798.32-6,883.21

Finding the Fourth Proportional to 7,829.42, 10,798.32 and 6,883.21

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Solution

The fourth proportional to 7,829.42, 10,798.32 and 6,883.21 is: 9,493.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.42 : 10,798.32 = 6,883.21 : x
  2. Step 2: Convert to fraction form
    7,829.42/10,798.32 = 6,883.21/x
  3. Step 3: Cross multiply
    7,829.42x = 10,798.32 × 6,883.21
  4. Step 4: Simplify right side
    7,829.42x = 74,327,094.42
  5. Step 5: Solve for x
    x = 74,327,094.42/7,829.42
  6. Step 6: Final answer
    x = 9,493.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.