Home / 11,386.68-15,710.10-6,670.92

Finding the Fourth Proportional to 11,386.68, 15,710.10 and 6,670.92

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Solution

The fourth proportional to 11,386.68, 15,710.10 and 6,670.92 is: 9,203.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,386.68 : 15,710.10 = 6,670.92 : x
  2. Step 2: Convert to fraction form
    11,386.68/15,710.10 = 6,670.92/x
  3. Step 3: Cross multiply
    11,386.68x = 15,710.10 × 6,670.92
  4. Step 4: Simplify right side
    11,386.68x = 104,800,820.29
  5. Step 5: Solve for x
    x = 104,800,820.29/11,386.68
  6. Step 6: Final answer
    x = 9,203.81

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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.