Home / 9,966.21-14,935.74-4,700.40

Finding the Fourth Proportional to 9,966.21, 14,935.74 and 4,700.40

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Solution

The fourth proportional to 9,966.21, 14,935.74 and 4,700.40 is: 7,044.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.21 : 14,935.74 = 4,700.40 : x
  2. Step 2: Convert to fraction form
    9,966.21/14,935.74 = 4,700.40/x
  3. Step 3: Cross multiply
    9,966.21x = 14,935.74 × 4,700.40
  4. Step 4: Simplify right side
    9,966.21x = 70,203,905.10
  5. Step 5: Solve for x
    x = 70,203,905.10/9,966.21
  6. Step 6: Final answer
    x = 7,044.20

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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.