Home / 10,893.39-15,030.61-6,416.11

Finding the Fourth Proportional to 10,893.39, 15,030.61 and 6,416.11

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Solution

The fourth proportional to 10,893.39, 15,030.61 and 6,416.11 is: 8,852.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.39 : 15,030.61 = 6,416.11 : x
  2. Step 2: Convert to fraction form
    10,893.39/15,030.61 = 6,416.11/x
  3. Step 3: Cross multiply
    10,893.39x = 15,030.61 × 6,416.11
  4. Step 4: Simplify right side
    10,893.39x = 96,438,085.97
  5. Step 5: Solve for x
    x = 96,438,085.97/10,893.39
  6. Step 6: Final answer
    x = 8,852.90

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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.