Home / 9,129.02-12,598.01-5,150.13

Finding the Fourth Proportional to 9,129.02, 12,598.01 and 5,150.13

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Solution

The fourth proportional to 9,129.02, 12,598.01 and 5,150.13 is: 7,107.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.02 : 12,598.01 = 5,150.13 : x
  2. Step 2: Convert to fraction form
    9,129.02/12,598.01 = 5,150.13/x
  3. Step 3: Cross multiply
    9,129.02x = 12,598.01 × 5,150.13
  4. Step 4: Simplify right side
    9,129.02x = 64,881,376.37
  5. Step 5: Solve for x
    x = 64,881,376.37/9,129.02
  6. Step 6: Final answer
    x = 7,107.16

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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.