Home / 8,719.23-12,032.51-4,943.13

Finding the Fourth Proportional to 8,719.23, 12,032.51 and 4,943.13

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Solution

The fourth proportional to 8,719.23, 12,032.51 and 4,943.13 is: 6,821.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.23 : 12,032.51 = 4,943.13 : x
  2. Step 2: Convert to fraction form
    8,719.23/12,032.51 = 4,943.13/x
  3. Step 3: Cross multiply
    8,719.23x = 12,032.51 × 4,943.13
  4. Step 4: Simplify right side
    8,719.23x = 59,478,261.16
  5. Step 5: Solve for x
    x = 59,478,261.16/8,719.23
  6. Step 6: Final answer
    x = 6,821.50

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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.