Home / 10,907.43-15,053.66-6,657.60

Finding the Fourth Proportional to 10,907.43, 15,053.66 and 6,657.60

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Solution

The fourth proportional to 10,907.43, 15,053.66 and 6,657.60 is: 9,188.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,907.43 : 15,053.66 = 6,657.60 : x
  2. Step 2: Convert to fraction form
    10,907.43/15,053.66 = 6,657.60/x
  3. Step 3: Cross multiply
    10,907.43x = 15,053.66 × 6,657.60
  4. Step 4: Simplify right side
    10,907.43x = 100,221,246.82
  5. Step 5: Solve for x
    x = 100,221,246.82/10,907.43
  6. Step 6: Final answer
    x = 9,188.35

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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.