Home / 11,772.08-16,217.24-10,088.16

Finding the Fourth Proportional to 11,772.08, 16,217.24 and 10,088.16

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Solution

The fourth proportional to 11,772.08, 16,217.24 and 10,088.16 is: 13,897.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,772.08 : 16,217.24 = 10,088.16 : x
  2. Step 2: Convert to fraction form
    11,772.08/16,217.24 = 10,088.16/x
  3. Step 3: Cross multiply
    11,772.08x = 16,217.24 × 10,088.16
  4. Step 4: Simplify right side
    11,772.08x = 163,602,111.88
  5. Step 5: Solve for x
    x = 163,602,111.88/11,772.08
  6. Step 6: Final answer
    x = 13,897.47

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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.