Home / 8,774.40-12,088.08-6,116.96

Finding the Fourth Proportional to 8,774.40, 12,088.08 and 6,116.96

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Solution

The fourth proportional to 8,774.40, 12,088.08 and 6,116.96 is: 8,427.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,774.40 : 12,088.08 = 6,116.96 : x
  2. Step 2: Convert to fraction form
    8,774.40/12,088.08 = 6,116.96/x
  3. Step 3: Cross multiply
    8,774.40x = 12,088.08 × 6,116.96
  4. Step 4: Simplify right side
    8,774.40x = 73,942,301.84
  5. Step 5: Solve for x
    x = 73,942,301.84/8,774.40
  6. Step 6: Final answer
    x = 8,427.05

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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.