Home / 7,186.32-9,915.48-4,041.36

Finding the Fourth Proportional to 7,186.32, 9,915.48 and 4,041.36

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Solution

The fourth proportional to 7,186.32, 9,915.48 and 4,041.36 is: 5,576.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.32 : 9,915.48 = 4,041.36 : x
  2. Step 2: Convert to fraction form
    7,186.32/9,915.48 = 4,041.36/x
  3. Step 3: Cross multiply
    7,186.32x = 9,915.48 × 4,041.36
  4. Step 4: Simplify right side
    7,186.32x = 40,072,024.25
  5. Step 5: Solve for x
    x = 40,072,024.25/7,186.32
  6. Step 6: Final answer
    x = 5,576.15

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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.