Home / 10,669.03-14,720.90-6,190.18

Finding the Fourth Proportional to 10,669.03, 14,720.90 and 6,190.18

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Solution

The fourth proportional to 10,669.03, 14,720.90 and 6,190.18 is: 8,541.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,669.03 : 14,720.90 = 6,190.18 : x
  2. Step 2: Convert to fraction form
    10,669.03/14,720.90 = 6,190.18/x
  3. Step 3: Cross multiply
    10,669.03x = 14,720.90 × 6,190.18
  4. Step 4: Simplify right side
    10,669.03x = 91,124,989.81
  5. Step 5: Solve for x
    x = 91,124,989.81/10,669.03
  6. Step 6: Final answer
    x = 8,541.08

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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.