Home / 9,070.68-13,605.36-3,146.16

Finding the Fourth Proportional to 9,070.68, 13,605.36 and 3,146.16

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Solution

The fourth proportional to 9,070.68, 13,605.36 and 3,146.16 is: 4,719.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,070.68 : 13,605.36 = 3,146.16 : x
  2. Step 2: Convert to fraction form
    9,070.68/13,605.36 = 3,146.16/x
  3. Step 3: Cross multiply
    9,070.68x = 13,605.36 × 3,146.16
  4. Step 4: Simplify right side
    9,070.68x = 42,804,639.42
  5. Step 5: Solve for x
    x = 42,804,639.42/9,070.68
  6. Step 6: Final answer
    x = 4,719.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.