Home / 8,719.16-12,032.79-4,740.26

Finding the Fourth Proportional to 8,719.16, 12,032.79 and 4,740.26

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Solution

The fourth proportional to 8,719.16, 12,032.79 and 4,740.26 is: 6,541.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.16 : 12,032.79 = 4,740.26 : x
  2. Step 2: Convert to fraction form
    8,719.16/12,032.79 = 4,740.26/x
  3. Step 3: Cross multiply
    8,719.16x = 12,032.79 × 4,740.26
  4. Step 4: Simplify right side
    8,719.16x = 57,038,553.13
  5. Step 5: Solve for x
    x = 57,038,553.13/8,719.16
  6. Step 6: Final answer
    x = 6,541.75

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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.