Home / 9,148.22-13,740.70-5,457.66

Finding the Fourth Proportional to 9,148.22, 13,740.70 and 5,457.66

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Solution

The fourth proportional to 9,148.22, 13,740.70 and 5,457.66 is: 8,197.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.22 : 13,740.70 = 5,457.66 : x
  2. Step 2: Convert to fraction form
    9,148.22/13,740.70 = 5,457.66/x
  3. Step 3: Cross multiply
    9,148.22x = 13,740.70 × 5,457.66
  4. Step 4: Simplify right side
    9,148.22x = 74,992,068.76
  5. Step 5: Solve for x
    x = 74,992,068.76/9,148.22
  6. Step 6: Final answer
    x = 8,197.45

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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.