Home / 15,360.12-23,040.16-4,831.07

Finding the Fourth Proportional to 15,360.12, 23,040.16 and 4,831.07

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Solution

The fourth proportional to 15,360.12, 23,040.16 and 4,831.07 is: 7,246.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,360.12 : 23,040.16 = 4,831.07 : x
  2. Step 2: Convert to fraction form
    15,360.12/23,040.16 = 4,831.07/x
  3. Step 3: Cross multiply
    15,360.12x = 23,040.16 × 4,831.07
  4. Step 4: Simplify right side
    15,360.12x = 111,308,590.47
  5. Step 5: Solve for x
    x = 111,308,590.47/15,360.12
  6. Step 6: Final answer
    x = 7,246.60

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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.