Home / 8,457.18-11,673.26-4,921.08

Finding the Fourth Proportional to 8,457.18, 11,673.26 and 4,921.08

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Solution

The fourth proportional to 8,457.18, 11,673.26 and 4,921.08 is: 6,792.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.18 : 11,673.26 = 4,921.08 : x
  2. Step 2: Convert to fraction form
    8,457.18/11,673.26 = 4,921.08/x
  3. Step 3: Cross multiply
    8,457.18x = 11,673.26 × 4,921.08
  4. Step 4: Simplify right side
    8,457.18x = 57,445,046.32
  5. Step 5: Solve for x
    x = 57,445,046.32/8,457.18
  6. Step 6: Final answer
    x = 6,792.46

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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.