Home / 11,328.05-16,915.77-9,252.16

Finding the Fourth Proportional to 11,328.05, 16,915.77 and 9,252.16

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Solution

The fourth proportional to 11,328.05, 16,915.77 and 9,252.16 is: 13,815.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,328.05 : 16,915.77 = 9,252.16 : x
  2. Step 2: Convert to fraction form
    11,328.05/16,915.77 = 9,252.16/x
  3. Step 3: Cross multiply
    11,328.05x = 16,915.77 × 9,252.16
  4. Step 4: Simplify right side
    11,328.05x = 156,507,368.27
  5. Step 5: Solve for x
    x = 156,507,368.27/11,328.05
  6. Step 6: Final answer
    x = 13,815.91

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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.