Home / 9,133.16-12,602.75-5,153.54

Finding the Fourth Proportional to 9,133.16, 12,602.75 and 5,153.54

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Solution

The fourth proportional to 9,133.16, 12,602.75 and 5,153.54 is: 7,111.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,133.16 : 12,602.75 = 5,153.54 : x
  2. Step 2: Convert to fraction form
    9,133.16/12,602.75 = 5,153.54/x
  3. Step 3: Cross multiply
    9,133.16x = 12,602.75 × 5,153.54
  4. Step 4: Simplify right side
    9,133.16x = 64,948,687.45
  5. Step 5: Solve for x
    x = 64,948,687.45/9,133.16
  6. Step 6: Final answer
    x = 7,111.31

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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.