Home / 8,055.28-11,117.10-4,913.32

Finding the Fourth Proportional to 8,055.28, 11,117.10 and 4,913.32

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Solution

The fourth proportional to 8,055.28, 11,117.10 and 4,913.32 is: 6,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,055.28 : 11,117.10 = 4,913.32 : x
  2. Step 2: Convert to fraction form
    8,055.28/11,117.10 = 4,913.32/x
  3. Step 3: Cross multiply
    8,055.28x = 11,117.10 × 4,913.32
  4. Step 4: Simplify right side
    8,055.28x = 54,621,869.77
  5. Step 5: Solve for x
    x = 54,621,869.77/8,055.28
  6. Step 6: Final answer
    x = 6,780.88

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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.