Home / 10,855.13-14,980.40-6,074.93

Finding the Fourth Proportional to 10,855.13, 14,980.40 and 6,074.93

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Solution

The fourth proportional to 10,855.13, 14,980.40 and 6,074.93 is: 8,383.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,855.13 : 14,980.40 = 6,074.93 : x
  2. Step 2: Convert to fraction form
    10,855.13/14,980.40 = 6,074.93/x
  3. Step 3: Cross multiply
    10,855.13x = 14,980.40 × 6,074.93
  4. Step 4: Simplify right side
    10,855.13x = 91,004,881.37
  5. Step 5: Solve for x
    x = 91,004,881.37/10,855.13
  6. Step 6: Final answer
    x = 8,383.58

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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.