Home / 7,386.60-11,077.20-2,456.40

Finding the Fourth Proportional to 7,386.60, 11,077.20 and 2,456.40

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Solution

The fourth proportional to 7,386.60, 11,077.20 and 2,456.40 is: 3,683.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,386.60 : 11,077.20 = 2,456.40 : x
  2. Step 2: Convert to fraction form
    7,386.60/11,077.20 = 2,456.40/x
  3. Step 3: Cross multiply
    7,386.60x = 11,077.20 × 2,456.40
  4. Step 4: Simplify right side
    7,386.60x = 27,210,034.08
  5. Step 5: Solve for x
    x = 27,210,034.08/7,386.60
  6. Step 6: Final answer
    x = 3,683.70

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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.