Home / 10,827.02-16,209.77-7,487.74

Finding the Fourth Proportional to 10,827.02, 16,209.77 and 7,487.74

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Solution

The fourth proportional to 10,827.02, 16,209.77 and 7,487.74 is: 11,210.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,827.02 : 16,209.77 = 7,487.74 : x
  2. Step 2: Convert to fraction form
    10,827.02/16,209.77 = 7,487.74/x
  3. Step 3: Cross multiply
    10,827.02x = 16,209.77 × 7,487.74
  4. Step 4: Simplify right side
    10,827.02x = 121,374,568.16
  5. Step 5: Solve for x
    x = 121,374,568.16/10,827.02
  6. Step 6: Final answer
    x = 11,210.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.