Home / 9,875.28-13,627.73-5,398.93

Finding the Fourth Proportional to 9,875.28, 13,627.73 and 5,398.93

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Solution

The fourth proportional to 9,875.28, 13,627.73 and 5,398.93 is: 7,450.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,875.28 : 13,627.73 = 5,398.93 : x
  2. Step 2: Convert to fraction form
    9,875.28/13,627.73 = 5,398.93/x
  3. Step 3: Cross multiply
    9,875.28x = 13,627.73 × 5,398.93
  4. Step 4: Simplify right side
    9,875.28x = 73,575,139.76
  5. Step 5: Solve for x
    x = 73,575,139.76/9,875.28
  6. Step 6: Final answer
    x = 7,450.44

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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.