Home / 8,459.79-11,674.53-4,683.21

Finding the Fourth Proportional to 8,459.79, 11,674.53 and 4,683.21

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Solution

The fourth proportional to 8,459.79, 11,674.53 and 4,683.21 is: 6,462.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,459.79 : 11,674.53 = 4,683.21 : x
  2. Step 2: Convert to fraction form
    8,459.79/11,674.53 = 4,683.21/x
  3. Step 3: Cross multiply
    8,459.79x = 11,674.53 × 4,683.21
  4. Step 4: Simplify right side
    8,459.79x = 54,674,275.64
  5. Step 5: Solve for x
    x = 54,674,275.64/8,459.79
  6. Step 6: Final answer
    x = 6,462.84

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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.