Home / 11,655.12-16,088.88-8,298.48

Finding the Fourth Proportional to 11,655.12, 16,088.88 and 8,298.48

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Solution

The fourth proportional to 11,655.12, 16,088.88 and 8,298.48 is: 11,455.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,655.12 : 16,088.88 = 8,298.48 : x
  2. Step 2: Convert to fraction form
    11,655.12/16,088.88 = 8,298.48/x
  3. Step 3: Cross multiply
    11,655.12x = 16,088.88 × 8,298.48
  4. Step 4: Simplify right side
    11,655.12x = 133,513,248.90
  5. Step 5: Solve for x
    x = 133,513,248.90/11,655.12
  6. Step 6: Final answer
    x = 11,455.33

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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.