Home / 9,066.90-13,525-8,916.54

Finding the Fourth Proportional to 9,066.90, 13,525 and 8,916.54

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Solution

The fourth proportional to 9,066.90, 13,525 and 8,916.54 is: 13,300.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,066.90 : 13,525 = 8,916.54 : x
  2. Step 2: Convert to fraction form
    9,066.90/13,525 = 8,916.54/x
  3. Step 3: Cross multiply
    9,066.90x = 13,525 × 8,916.54
  4. Step 4: Simplify right side
    9,066.90x = 120,596,203.50
  5. Step 5: Solve for x
    x = 120,596,203.50/9,066.90
  6. Step 6: Final answer
    x = 13,300.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.