Home / 9,298.36-12,831.96-5,106.70

Finding the Fourth Proportional to 9,298.36, 12,831.96 and 5,106.70

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Solution

The fourth proportional to 9,298.36, 12,831.96 and 5,106.70 is: 7,047.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,298.36 : 12,831.96 = 5,106.70 : x
  2. Step 2: Convert to fraction form
    9,298.36/12,831.96 = 5,106.70/x
  3. Step 3: Cross multiply
    9,298.36x = 12,831.96 × 5,106.70
  4. Step 4: Simplify right side
    9,298.36x = 65,528,970.13
  5. Step 5: Solve for x
    x = 65,528,970.13/9,298.36
  6. Step 6: Final answer
    x = 7,047.37

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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.