Home / 8,590.14-11,855.37-4,814.32

Finding the Fourth Proportional to 8,590.14, 11,855.37 and 4,814.32

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Solution

The fourth proportional to 8,590.14, 11,855.37 and 4,814.32 is: 6,644.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.14 : 11,855.37 = 4,814.32 : x
  2. Step 2: Convert to fraction form
    8,590.14/11,855.37 = 4,814.32/x
  3. Step 3: Cross multiply
    8,590.14x = 11,855.37 × 4,814.32
  4. Step 4: Simplify right side
    8,590.14x = 57,075,544.90
  5. Step 5: Solve for x
    x = 57,075,544.90/8,590.14
  6. Step 6: Final answer
    x = 6,644.31

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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.