Home / 10,557.48-15,831.36-6,176.28

Finding the Fourth Proportional to 10,557.48, 15,831.36 and 6,176.28

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Solution

The fourth proportional to 10,557.48, 15,831.36 and 6,176.28 is: 9,261.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,557.48 : 15,831.36 = 6,176.28 : x
  2. Step 2: Convert to fraction form
    10,557.48/15,831.36 = 6,176.28/x
  3. Step 3: Cross multiply
    10,557.48x = 15,831.36 × 6,176.28
  4. Step 4: Simplify right side
    10,557.48x = 97,778,912.14
  5. Step 5: Solve for x
    x = 97,778,912.14/10,557.48
  6. Step 6: Final answer
    x = 9,261.58

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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.