Home / 10,567.05-15,831.06-9,164.64

Finding the Fourth Proportional to 10,567.05, 15,831.06 and 9,164.64

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Solution

The fourth proportional to 10,567.05, 15,831.06 and 9,164.64 is: 13,730.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,567.05 : 15,831.06 = 9,164.64 : x
  2. Step 2: Convert to fraction form
    10,567.05/15,831.06 = 9,164.64/x
  3. Step 3: Cross multiply
    10,567.05x = 15,831.06 × 9,164.64
  4. Step 4: Simplify right side
    10,567.05x = 145,085,965.72
  5. Step 5: Solve for x
    x = 145,085,965.72/10,567.05
  6. Step 6: Final answer
    x = 13,730.03

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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.