Home / 11,098.86-15,316.44-6,384.06

Finding the Fourth Proportional to 11,098.86, 15,316.44 and 6,384.06

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Solution

The fourth proportional to 11,098.86, 15,316.44 and 6,384.06 is: 8,810.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.86 : 15,316.44 = 6,384.06 : x
  2. Step 2: Convert to fraction form
    11,098.86/15,316.44 = 6,384.06/x
  3. Step 3: Cross multiply
    11,098.86x = 15,316.44 × 6,384.06
  4. Step 4: Simplify right side
    11,098.86x = 97,781,071.95
  5. Step 5: Solve for x
    x = 97,781,071.95/11,098.86
  6. Step 6: Final answer
    x = 8,810.01

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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.