Home / 7,274.07-10,043.06-4,915.35

Finding the Fourth Proportional to 7,274.07, 10,043.06 and 4,915.35

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Solution

The fourth proportional to 7,274.07, 10,043.06 and 4,915.35 is: 6,786.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,274.07 : 10,043.06 = 4,915.35 : x
  2. Step 2: Convert to fraction form
    7,274.07/10,043.06 = 4,915.35/x
  3. Step 3: Cross multiply
    7,274.07x = 10,043.06 × 4,915.35
  4. Step 4: Simplify right side
    7,274.07x = 49,365,130.39
  5. Step 5: Solve for x
    x = 49,365,130.39/7,274.07
  6. Step 6: Final answer
    x = 6,786.45

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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.