Home / 8,985.05-13,478.08-2,746.02

Finding the Fourth Proportional to 8,985.05, 13,478.08 and 2,746.02

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Solution

The fourth proportional to 8,985.05, 13,478.08 and 2,746.02 is: 4,119.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,985.05 : 13,478.08 = 2,746.02 : x
  2. Step 2: Convert to fraction form
    8,985.05/13,478.08 = 2,746.02/x
  3. Step 3: Cross multiply
    8,985.05x = 13,478.08 × 2,746.02
  4. Step 4: Simplify right side
    8,985.05x = 37,011,077.24
  5. Step 5: Solve for x
    x = 37,011,077.24/8,985.05
  6. Step 6: Final answer
    x = 4,119.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.