Home / 7,403.40-10,194.66-5,303.88

Finding the Fourth Proportional to 7,403.40, 10,194.66 and 5,303.88

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Solution

The fourth proportional to 7,403.40, 10,194.66 and 5,303.88 is: 7,303.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,403.40 : 10,194.66 = 5,303.88 : x
  2. Step 2: Convert to fraction form
    7,403.40/10,194.66 = 5,303.88/x
  3. Step 3: Cross multiply
    7,403.40x = 10,194.66 × 5,303.88
  4. Step 4: Simplify right side
    7,403.40x = 54,071,253.28
  5. Step 5: Solve for x
    x = 54,071,253.28/7,403.40
  6. Step 6: Final answer
    x = 7,303.57

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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.