Home / 11,094.64-15,312.54-6,618.68

Finding the Fourth Proportional to 11,094.64, 15,312.54 and 6,618.68

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Solution

The fourth proportional to 11,094.64, 15,312.54 and 6,618.68 is: 9,134.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,094.64 : 15,312.54 = 6,618.68 : x
  2. Step 2: Convert to fraction form
    11,094.64/15,312.54 = 6,618.68/x
  3. Step 3: Cross multiply
    11,094.64x = 15,312.54 × 6,618.68
  4. Step 4: Simplify right side
    11,094.64x = 101,348,802.25
  5. Step 5: Solve for x
    x = 101,348,802.25/11,094.64
  6. Step 6: Final answer
    x = 9,134.93

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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.