Home / 9,376.23-12,939.23-5,127.22

Finding the Fourth Proportional to 9,376.23, 12,939.23 and 5,127.22

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Solution

The fourth proportional to 9,376.23, 12,939.23 and 5,127.22 is: 7,075.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,376.23 : 12,939.23 = 5,127.22 : x
  2. Step 2: Convert to fraction form
    9,376.23/12,939.23 = 5,127.22/x
  3. Step 3: Cross multiply
    9,376.23x = 12,939.23 × 5,127.22
  4. Step 4: Simplify right side
    9,376.23x = 66,342,253.20
  5. Step 5: Solve for x
    x = 66,342,253.20/9,376.23
  6. Step 6: Final answer
    x = 7,075.58

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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.