Home / 9,417.30-14,140.80-8,735.10

Finding the Fourth Proportional to 9,417.30, 14,140.80 and 8,735.10

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Solution

The fourth proportional to 9,417.30, 14,140.80 and 8,735.10 is: 13,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,417.30 : 14,140.80 = 8,735.10 : x
  2. Step 2: Convert to fraction form
    9,417.30/14,140.80 = 8,735.10/x
  3. Step 3: Cross multiply
    9,417.30x = 14,140.80 × 8,735.10
  4. Step 4: Simplify right side
    9,417.30x = 123,521,302.08
  5. Step 5: Solve for x
    x = 123,521,302.08/9,417.30
  6. Step 6: Final answer
    x = 13,116.42

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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.