Home / 7,743.24-10,686.05-4,386.20

Finding the Fourth Proportional to 7,743.24, 10,686.05 and 4,386.20

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Solution

The fourth proportional to 7,743.24, 10,686.05 and 4,386.20 is: 6,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.24 : 10,686.05 = 4,386.20 : x
  2. Step 2: Convert to fraction form
    7,743.24/10,686.05 = 4,386.20/x
  3. Step 3: Cross multiply
    7,743.24x = 10,686.05 × 4,386.20
  4. Step 4: Simplify right side
    7,743.24x = 46,871,077.15
  5. Step 5: Solve for x
    x = 46,871,077.15/7,743.24
  6. Step 6: Final answer
    x = 6,053.16

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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.