Home / 11,088.60-15,302.28-6,308.42

Finding the Fourth Proportional to 11,088.60, 15,302.28 and 6,308.42

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Solution

The fourth proportional to 11,088.60, 15,302.28 and 6,308.42 is: 8,705.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,088.60 : 15,302.28 = 6,308.42 : x
  2. Step 2: Convert to fraction form
    11,088.60/15,302.28 = 6,308.42/x
  3. Step 3: Cross multiply
    11,088.60x = 15,302.28 × 6,308.42
  4. Step 4: Simplify right side
    11,088.60x = 96,533,156.34
  5. Step 5: Solve for x
    x = 96,533,156.34/11,088.60
  6. Step 6: Final answer
    x = 8,705.62

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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.