Home / 10,811.04-16,210.08-3,412.32

Finding the Fourth Proportional to 10,811.04, 16,210.08 and 3,412.32

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Solution

The fourth proportional to 10,811.04, 16,210.08 and 3,412.32 is: 5,116.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,811.04 : 16,210.08 = 3,412.32 : x
  2. Step 2: Convert to fraction form
    10,811.04/16,210.08 = 3,412.32/x
  3. Step 3: Cross multiply
    10,811.04x = 16,210.08 × 3,412.32
  4. Step 4: Simplify right side
    10,811.04x = 55,313,980.19
  5. Step 5: Solve for x
    x = 55,313,980.19/10,811.04
  6. Step 6: Final answer
    x = 5,116.43

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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.