Home / 8,607.16-11,878.44-4,830.55

Finding the Fourth Proportional to 8,607.16, 11,878.44 and 4,830.55

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Solution

The fourth proportional to 8,607.16, 11,878.44 and 4,830.55 is: 6,666.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,607.16 : 11,878.44 = 4,830.55 : x
  2. Step 2: Convert to fraction form
    8,607.16/11,878.44 = 4,830.55/x
  3. Step 3: Cross multiply
    8,607.16x = 11,878.44 × 4,830.55
  4. Step 4: Simplify right side
    8,607.16x = 57,379,398.34
  5. Step 5: Solve for x
    x = 57,379,398.34/8,607.16
  6. Step 6: Final answer
    x = 6,666.47

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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.