Home / 8,947.04-13,412.46-5,477

Finding the Fourth Proportional to 8,947.04, 13,412.46 and 5,477

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Solution

The fourth proportional to 8,947.04, 13,412.46 and 5,477 is: 8,210.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.04 : 13,412.46 = 5,477 : x
  2. Step 2: Convert to fraction form
    8,947.04/13,412.46 = 5,477/x
  3. Step 3: Cross multiply
    8,947.04x = 13,412.46 × 5,477
  4. Step 4: Simplify right side
    8,947.04x = 73,460,043.42
  5. Step 5: Solve for x
    x = 73,460,043.42/8,947.04
  6. Step 6: Final answer
    x = 8,210.54

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1.5x scale

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.