Home / 10,079.20-13,907.74-5,602.94

Finding the Fourth Proportional to 10,079.20, 13,907.74 and 5,602.94

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Solution

The fourth proportional to 10,079.20, 13,907.74 and 5,602.94 is: 7,731.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.20 : 13,907.74 = 5,602.94 : x
  2. Step 2: Convert to fraction form
    10,079.20/13,907.74 = 5,602.94/x
  3. Step 3: Cross multiply
    10,079.20x = 13,907.74 × 5,602.94
  4. Step 4: Simplify right side
    10,079.20x = 77,924,232.76
  5. Step 5: Solve for x
    x = 77,924,232.76/10,079.20
  6. Step 6: Final answer
    x = 7,731.19

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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.