Home / 8,370.15-11,549.67-5,012.19

Finding the Fourth Proportional to 8,370.15, 11,549.67 and 5,012.19

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Solution

The fourth proportional to 8,370.15, 11,549.67 and 5,012.19 is: 6,916.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.15 : 11,549.67 = 5,012.19 : x
  2. Step 2: Convert to fraction form
    8,370.15/11,549.67 = 5,012.19/x
  3. Step 3: Cross multiply
    8,370.15x = 11,549.67 × 5,012.19
  4. Step 4: Simplify right side
    8,370.15x = 57,889,140.48
  5. Step 5: Solve for x
    x = 57,889,140.48/8,370.15
  6. Step 6: Final answer
    x = 6,916.14

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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.