Home / 9,867.79-13,615.32-5,888.13

Finding the Fourth Proportional to 9,867.79, 13,615.32 and 5,888.13

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Solution

The fourth proportional to 9,867.79, 13,615.32 and 5,888.13 is: 8,124.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.79 : 13,615.32 = 5,888.13 : x
  2. Step 2: Convert to fraction form
    9,867.79/13,615.32 = 5,888.13/x
  3. Step 3: Cross multiply
    9,867.79x = 13,615.32 × 5,888.13
  4. Step 4: Simplify right side
    9,867.79x = 80,168,774.15
  5. Step 5: Solve for x
    x = 80,168,774.15/9,867.79
  6. Step 6: Final answer
    x = 8,124.29

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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.