Home / 10,079.18-13,907.32-6,888.89

Finding the Fourth Proportional to 10,079.18, 13,907.32 and 6,888.89

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Solution

The fourth proportional to 10,079.18, 13,907.32 and 6,888.89 is: 9,505.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.18 : 13,907.32 = 6,888.89 : x
  2. Step 2: Convert to fraction form
    10,079.18/13,907.32 = 6,888.89/x
  3. Step 3: Cross multiply
    10,079.18x = 13,907.32 × 6,888.89
  4. Step 4: Simplify right side
    10,079.18x = 95,806,015.22
  5. Step 5: Solve for x
    x = 95,806,015.22/10,079.18
  6. Step 6: Final answer
    x = 9,505.34

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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.