Home / 9,330.16-12,871.56-5,602

Finding the Fourth Proportional to 9,330.16, 12,871.56 and 5,602

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Solution

The fourth proportional to 9,330.16, 12,871.56 and 5,602 is: 7,728.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,330.16 : 12,871.56 = 5,602 : x
  2. Step 2: Convert to fraction form
    9,330.16/12,871.56 = 5,602/x
  3. Step 3: Cross multiply
    9,330.16x = 12,871.56 × 5,602
  4. Step 4: Simplify right side
    9,330.16x = 72,106,479.12
  5. Step 5: Solve for x
    x = 72,106,479.12/9,330.16
  6. Step 6: Final answer
    x = 7,728.32

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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.