Home / 9,674.81-13,347.40-6,316.55

Finding the Fourth Proportional to 9,674.81, 13,347.40 and 6,316.55

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Solution

The fourth proportional to 9,674.81, 13,347.40 and 6,316.55 is: 8,714.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,674.81 : 13,347.40 = 6,316.55 : x
  2. Step 2: Convert to fraction form
    9,674.81/13,347.40 = 6,316.55/x
  3. Step 3: Cross multiply
    9,674.81x = 13,347.40 × 6,316.55
  4. Step 4: Simplify right side
    9,674.81x = 84,309,519.47
  5. Step 5: Solve for x
    x = 84,309,519.47/9,674.81
  6. Step 6: Final answer
    x = 8,714.33

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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.