Home / 10,023.68-13,831.68-5,547.32

Finding the Fourth Proportional to 10,023.68, 13,831.68 and 5,547.32

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Solution

The fourth proportional to 10,023.68, 13,831.68 and 5,547.32 is: 7,654.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,023.68 : 13,831.68 = 5,547.32 : x
  2. Step 2: Convert to fraction form
    10,023.68/13,831.68 = 5,547.32/x
  3. Step 3: Cross multiply
    10,023.68x = 13,831.68 × 5,547.32
  4. Step 4: Simplify right side
    10,023.68x = 76,728,755.10
  5. Step 5: Solve for x
    x = 76,728,755.10/10,023.68
  6. Step 6: Final answer
    x = 7,654.75

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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.