Home / 11,352.42-15,666.55-6,316.85

Finding the Fourth Proportional to 11,352.42, 15,666.55 and 6,316.85

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Solution

The fourth proportional to 11,352.42, 15,666.55 and 6,316.85 is: 8,717.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.42 : 15,666.55 = 6,316.85 : x
  2. Step 2: Convert to fraction form
    11,352.42/15,666.55 = 6,316.85/x
  3. Step 3: Cross multiply
    11,352.42x = 15,666.55 × 6,316.85
  4. Step 4: Simplify right side
    11,352.42x = 98,963,269.74
  5. Step 5: Solve for x
    x = 98,963,269.74/11,352.42
  6. Step 6: Final answer
    x = 8,717.37

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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.