Home / 8,670.63-11,965.83-5,482.77

Finding the Fourth Proportional to 8,670.63, 11,965.83 and 5,482.77

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Solution

The fourth proportional to 8,670.63, 11,965.83 and 5,482.77 is: 7,566.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,670.63 : 11,965.83 = 5,482.77 : x
  2. Step 2: Convert to fraction form
    8,670.63/11,965.83 = 5,482.77/x
  3. Step 3: Cross multiply
    8,670.63x = 11,965.83 × 5,482.77
  4. Step 4: Simplify right side
    8,670.63x = 65,605,895.62
  5. Step 5: Solve for x
    x = 65,605,895.62/8,670.63
  6. Step 6: Final answer
    x = 7,566.45

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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.