Home / 9,150.60-12,628.10-5,117.32

Finding the Fourth Proportional to 9,150.60, 12,628.10 and 5,117.32

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Solution

The fourth proportional to 9,150.60, 12,628.10 and 5,117.32 is: 7,062.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,150.60 : 12,628.10 = 5,117.32 : x
  2. Step 2: Convert to fraction form
    9,150.60/12,628.10 = 5,117.32/x
  3. Step 3: Cross multiply
    9,150.60x = 12,628.10 × 5,117.32
  4. Step 4: Simplify right side
    9,150.60x = 64,622,088.35
  5. Step 5: Solve for x
    x = 64,622,088.35/9,150.60
  6. Step 6: Final answer
    x = 7,062.06

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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.