Home / 10,353.08-14,284.14-9,355.16

Finding the Fourth Proportional to 10,353.08, 14,284.14 and 9,355.16

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Solution

The fourth proportional to 10,353.08, 14,284.14 and 9,355.16 is: 12,907.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,353.08 : 14,284.14 = 9,355.16 : x
  2. Step 2: Convert to fraction form
    10,353.08/14,284.14 = 9,355.16/x
  3. Step 3: Cross multiply
    10,353.08x = 14,284.14 × 9,355.16
  4. Step 4: Simplify right side
    10,353.08x = 133,630,415.16
  5. Step 5: Solve for x
    x = 133,630,415.16/10,353.08
  6. Step 6: Final answer
    x = 12,907.31

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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.