Home / 12,381.36-18,574.80-5,804.04

Finding the Fourth Proportional to 12,381.36, 18,574.80 and 5,804.04

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Solution

The fourth proportional to 12,381.36, 18,574.80 and 5,804.04 is: 8,707.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,381.36 : 18,574.80 = 5,804.04 : x
  2. Step 2: Convert to fraction form
    12,381.36/18,574.80 = 5,804.04/x
  3. Step 3: Cross multiply
    12,381.36x = 18,574.80 × 5,804.04
  4. Step 4: Simplify right side
    12,381.36x = 107,808,882.19
  5. Step 5: Solve for x
    x = 107,808,882.19/12,381.36
  6. Step 6: Final answer
    x = 8,707.35

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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.