Home / 8,465.46-11,678.45-5,482.28

Finding the Fourth Proportional to 8,465.46, 11,678.45 and 5,482.28

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Solution

The fourth proportional to 8,465.46, 11,678.45 and 5,482.28 is: 7,563.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,465.46 : 11,678.45 = 5,482.28 : x
  2. Step 2: Convert to fraction form
    8,465.46/11,678.45 = 5,482.28/x
  3. Step 3: Cross multiply
    8,465.46x = 11,678.45 × 5,482.28
  4. Step 4: Simplify right side
    8,465.46x = 64,024,447.06
  5. Step 5: Solve for x
    x = 64,024,447.06/8,465.46
  6. Step 6: Final answer
    x = 7,563.02

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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.