Home / 8,457.32-11,670.84-4,680.26

Finding the Fourth Proportional to 8,457.32, 11,670.84 and 4,680.26

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Solution

The fourth proportional to 8,457.32, 11,670.84 and 4,680.26 is: 6,458.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.32 : 11,670.84 = 4,680.26 : x
  2. Step 2: Convert to fraction form
    8,457.32/11,670.84 = 4,680.26/x
  3. Step 3: Cross multiply
    8,457.32x = 11,670.84 × 4,680.26
  4. Step 4: Simplify right side
    8,457.32x = 54,622,507.26
  5. Step 5: Solve for x
    x = 54,622,507.26/8,457.32
  6. Step 6: Final answer
    x = 6,458.61

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Half scale
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Double scale
Find fourth proportional to 8,458.32, 11,672.22 and 4,681.26
Similar ratio
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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.