Home / 8,210.81-11,330.93-4,484.81

Finding the Fourth Proportional to 8,210.81, 11,330.93 and 4,484.81

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Solution

The fourth proportional to 8,210.81, 11,330.93 and 4,484.81 is: 6,189.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.81 : 11,330.93 = 4,484.81 : x
  2. Step 2: Convert to fraction form
    8,210.81/11,330.93 = 4,484.81/x
  3. Step 3: Cross multiply
    8,210.81x = 11,330.93 × 4,484.81
  4. Step 4: Simplify right side
    8,210.81x = 50,817,107.71
  5. Step 5: Solve for x
    x = 50,817,107.71/8,210.81
  6. Step 6: Final answer
    x = 6,189.05

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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.