Home / 7,915.04-10,922.93-4,330.33

Finding the Fourth Proportional to 7,915.04, 10,922.93 and 4,330.33

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Solution

The fourth proportional to 7,915.04, 10,922.93 and 4,330.33 is: 5,975.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,915.04 : 10,922.93 = 4,330.33 : x
  2. Step 2: Convert to fraction form
    7,915.04/10,922.93 = 4,330.33/x
  3. Step 3: Cross multiply
    7,915.04x = 10,922.93 × 4,330.33
  4. Step 4: Simplify right side
    7,915.04x = 47,299,874.99
  5. Step 5: Solve for x
    x = 47,299,874.99/7,915.04
  6. Step 6: Final answer
    x = 5,975.95

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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.