Home / 8,465.10-11,680.28-4,929.46

Finding the Fourth Proportional to 8,465.10, 11,680.28 and 4,929.46

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Solution

The fourth proportional to 8,465.10, 11,680.28 and 4,929.46 is: 6,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.10 : 11,680.28 = 4,929.46 : x
  2. Step 2: Convert to fraction form
    8,465.10/11,680.28 = 4,929.46/x
  3. Step 3: Cross multiply
    8,465.10x = 11,680.28 × 4,929.46
  4. Step 4: Simplify right side
    8,465.10x = 57,577,473.05
  5. Step 5: Solve for x
    x = 57,577,473.05/8,465.10
  6. Step 6: Final answer
    x = 6,801.75

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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.