Home / 8,051.16-11,111.28-4,695

Finding the Fourth Proportional to 8,051.16, 11,111.28 and 4,695

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Solution

The fourth proportional to 8,051.16, 11,111.28 and 4,695 is: 6,479.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,051.16 : 11,111.28 = 4,695 : x
  2. Step 2: Convert to fraction form
    8,051.16/11,111.28 = 4,695/x
  3. Step 3: Cross multiply
    8,051.16x = 11,111.28 × 4,695
  4. Step 4: Simplify right side
    8,051.16x = 52,167,459.60
  5. Step 5: Solve for x
    x = 52,167,459.60/8,051.16
  6. Step 6: Final answer
    x = 6,479.50

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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.