Home / 11,975.58-16,526.81-6,670.40

Finding the Fourth Proportional to 11,975.58, 16,526.81 and 6,670.40

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Solution

The fourth proportional to 11,975.58, 16,526.81 and 6,670.40 is: 9,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,975.58 : 16,526.81 = 6,670.40 : x
  2. Step 2: Convert to fraction form
    11,975.58/16,526.81 = 6,670.40/x
  3. Step 3: Cross multiply
    11,975.58x = 16,526.81 × 6,670.40
  4. Step 4: Simplify right side
    11,975.58x = 110,240,367.47
  5. Step 5: Solve for x
    x = 110,240,367.47/11,975.58
  6. Step 6: Final answer
    x = 9,205.43

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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.