Home / 9,078.79-12,527.37-5,099.13

Finding the Fourth Proportional to 9,078.79, 12,527.37 and 5,099.13

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Solution

The fourth proportional to 9,078.79, 12,527.37 and 5,099.13 is: 7,036.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,078.79 : 12,527.37 = 5,099.13 : x
  2. Step 2: Convert to fraction form
    9,078.79/12,527.37 = 5,099.13/x
  3. Step 3: Cross multiply
    9,078.79x = 12,527.37 × 5,099.13
  4. Step 4: Simplify right side
    9,078.79x = 63,878,688.19
  5. Step 5: Solve for x
    x = 63,878,688.19/9,078.79
  6. Step 6: Final answer
    x = 7,036.04

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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.