Home / 7,915.44-10,925.58-5,228.62

Finding the Fourth Proportional to 7,915.44, 10,925.58 and 5,228.62

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Solution

The fourth proportional to 7,915.44, 10,925.58 and 5,228.62 is: 7,217.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915.44 : 10,925.58 = 5,228.62 : x
  2. Step 2: Convert to fraction form
    7,915.44/10,925.58 = 5,228.62/x
  3. Step 3: Cross multiply
    7,915.44x = 10,925.58 × 5,228.62
  4. Step 4: Simplify right side
    7,915.44x = 57,125,706.10
  5. Step 5: Solve for x
    x = 57,125,706.10/7,915.44
  6. Step 6: Final answer
    x = 7,217.00

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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.