Home / 9,360.28-12,916.14-5,167.48

Finding the Fourth Proportional to 9,360.28, 12,916.14 and 5,167.48

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Solution

The fourth proportional to 9,360.28, 12,916.14 and 5,167.48 is: 7,130.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.28 : 12,916.14 = 5,167.48 : x
  2. Step 2: Convert to fraction form
    9,360.28/12,916.14 = 5,167.48/x
  3. Step 3: Cross multiply
    9,360.28x = 12,916.14 × 5,167.48
  4. Step 4: Simplify right side
    9,360.28x = 66,743,895.13
  5. Step 5: Solve for x
    x = 66,743,895.13/9,360.28
  6. Step 6: Final answer
    x = 7,130.54

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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.