Home / 10,079.01-13,907.52-5,602.80

Finding the Fourth Proportional to 10,079.01, 13,907.52 and 5,602.80

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Solution

The fourth proportional to 10,079.01, 13,907.52 and 5,602.80 is: 7,731.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.01 : 13,907.52 = 5,602.80 : x
  2. Step 2: Convert to fraction form
    10,079.01/13,907.52 = 5,602.80/x
  3. Step 3: Cross multiply
    10,079.01x = 13,907.52 × 5,602.80
  4. Step 4: Simplify right side
    10,079.01x = 77,921,053.06
  5. Step 5: Solve for x
    x = 77,921,053.06/10,079.01
  6. Step 6: Final answer
    x = 7,731.02

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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.