Home / 10,023.84-13,831.64-5,547.30

Finding the Fourth Proportional to 10,023.84, 13,831.64 and 5,547.30

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Solution

The fourth proportional to 10,023.84, 13,831.64 and 5,547.30 is: 7,654.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,023.84 : 13,831.64 = 5,547.30 : x
  2. Step 2: Convert to fraction form
    10,023.84/13,831.64 = 5,547.30/x
  3. Step 3: Cross multiply
    10,023.84x = 13,831.64 × 5,547.30
  4. Step 4: Simplify right side
    10,023.84x = 76,728,256.57
  5. Step 5: Solve for x
    x = 76,728,256.57/10,023.84
  6. Step 6: Final answer
    x = 7,654.58

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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.