Home / 6,915.21-9,526.32-5,498.44

Finding the Fourth Proportional to 6,915.21, 9,526.32 and 5,498.44

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Solution

The fourth proportional to 6,915.21, 9,526.32 and 5,498.44 is: 7,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,915.21 : 9,526.32 = 5,498.44 : x
  2. Step 2: Convert to fraction form
    6,915.21/9,526.32 = 5,498.44/x
  3. Step 3: Cross multiply
    6,915.21x = 9,526.32 × 5,498.44
  4. Step 4: Simplify right side
    6,915.21x = 52,379,949.84
  5. Step 5: Solve for x
    x = 52,379,949.84/6,915.21
  6. Step 6: Final answer
    x = 7,574.60

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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.