Home / 7,114.99-9,818.67-4,132.57

Finding the Fourth Proportional to 7,114.99, 9,818.67 and 4,132.57

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Solution

The fourth proportional to 7,114.99, 9,818.67 and 4,132.57 is: 5,702.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,114.99 : 9,818.67 = 4,132.57 : x
  2. Step 2: Convert to fraction form
    7,114.99/9,818.67 = 4,132.57/x
  3. Step 3: Cross multiply
    7,114.99x = 9,818.67 × 4,132.57
  4. Step 4: Simplify right side
    7,114.99x = 40,576,341.08
  5. Step 5: Solve for x
    x = 40,576,341.08/7,114.99
  6. Step 6: Final answer
    x = 5,702.94

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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.