Home / 7,937.72-11,897.39-5,302.08

Finding the Fourth Proportional to 7,937.72, 11,897.39 and 5,302.08

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Solution

The fourth proportional to 7,937.72, 11,897.39 and 5,302.08 is: 7,946.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,937.72 : 11,897.39 = 5,302.08 : x
  2. Step 2: Convert to fraction form
    7,937.72/11,897.39 = 5,302.08/x
  3. Step 3: Cross multiply
    7,937.72x = 11,897.39 × 5,302.08
  4. Step 4: Simplify right side
    7,937.72x = 63,080,913.57
  5. Step 5: Solve for x
    x = 63,080,913.57/7,937.72
  6. Step 6: Final answer
    x = 7,946.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.