Home / 10,933.74-15,087.60-6,457.68

Finding the Fourth Proportional to 10,933.74, 15,087.60 and 6,457.68

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Solution

The fourth proportional to 10,933.74, 15,087.60 and 6,457.68 is: 8,911.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,933.74 : 15,087.60 = 6,457.68 : x
  2. Step 2: Convert to fraction form
    10,933.74/15,087.60 = 6,457.68/x
  3. Step 3: Cross multiply
    10,933.74x = 15,087.60 × 6,457.68
  4. Step 4: Simplify right side
    10,933.74x = 97,430,892.77
  5. Step 5: Solve for x
    x = 97,430,892.77/10,933.74
  6. Step 6: Final answer
    x = 8,911.03

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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.