Home / 10,562.12-14,562.48-6,778.60

Finding the Fourth Proportional to 10,562.12, 14,562.48 and 6,778.60

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Solution

The fourth proportional to 10,562.12, 14,562.48 and 6,778.60 is: 9,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,562.12 : 14,562.48 = 6,778.60 : x
  2. Step 2: Convert to fraction form
    10,562.12/14,562.48 = 6,778.60/x
  3. Step 3: Cross multiply
    10,562.12x = 14,562.48 × 6,778.60
  4. Step 4: Simplify right side
    10,562.12x = 98,713,226.93
  5. Step 5: Solve for x
    x = 98,713,226.93/10,562.12
  6. Step 6: Final answer
    x = 9,345.97

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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.