Home / 12,117.48-16,723.51-6,740.46

Finding the Fourth Proportional to 12,117.48, 16,723.51 and 6,740.46

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Solution

The fourth proportional to 12,117.48, 16,723.51 and 6,740.46 is: 9,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,117.48 : 16,723.51 = 6,740.46 : x
  2. Step 2: Convert to fraction form
    12,117.48/16,723.51 = 6,740.46/x
  3. Step 3: Cross multiply
    12,117.48x = 16,723.51 × 6,740.46
  4. Step 4: Simplify right side
    12,117.48x = 112,724,150.21
  5. Step 5: Solve for x
    x = 112,724,150.21/12,117.48
  6. Step 6: Final answer
    x = 9,302.61

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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.