Home / 9,051.81-13,574.36-3,127.18

Finding the Fourth Proportional to 9,051.81, 13,574.36 and 3,127.18

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Solution

The fourth proportional to 9,051.81, 13,574.36 and 3,127.18 is: 4,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,051.81 : 13,574.36 = 3,127.18 : x
  2. Step 2: Convert to fraction form
    9,051.81/13,574.36 = 3,127.18/x
  3. Step 3: Cross multiply
    9,051.81x = 13,574.36 × 3,127.18
  4. Step 4: Simplify right side
    9,051.81x = 42,449,467.10
  5. Step 5: Solve for x
    x = 42,449,467.10/9,051.81
  6. Step 6: Final answer
    x = 4,689.61

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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.