Home / 10,168.16-15,130.44-10,133.60

Finding the Fourth Proportional to 10,168.16, 15,130.44 and 10,133.60

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Solution

The fourth proportional to 10,168.16, 15,130.44 and 10,133.60 is: 15,079.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,168.16 : 15,130.44 = 10,133.60 : x
  2. Step 2: Convert to fraction form
    10,168.16/15,130.44 = 10,133.60/x
  3. Step 3: Cross multiply
    10,168.16x = 15,130.44 × 10,133.60
  4. Step 4: Simplify right side
    10,168.16x = 153,325,826.78
  5. Step 5: Solve for x
    x = 153,325,826.78/10,168.16
  6. Step 6: Final answer
    x = 15,079.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.