Home / 8,457.93-11,671.70-4,681.25

Finding the Fourth Proportional to 8,457.93, 11,671.70 and 4,681.25

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Solution

The fourth proportional to 8,457.93, 11,671.70 and 4,681.25 is: 6,459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.93 : 11,671.70 = 4,681.25 : x
  2. Step 2: Convert to fraction form
    8,457.93/11,671.70 = 4,681.25/x
  3. Step 3: Cross multiply
    8,457.93x = 11,671.70 × 4,681.25
  4. Step 4: Simplify right side
    8,457.93x = 54,638,063.86
  5. Step 5: Solve for x
    x = 54,638,063.86/8,457.93
  6. Step 6: Final answer
    x = 6,459.98

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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.