Home / 10,383.08-14,328.38-9,547.16

Finding the Fourth Proportional to 10,383.08, 14,328.38 and 9,547.16

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Solution

The fourth proportional to 10,383.08, 14,328.38 and 9,547.16 is: 13,174.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,383.08 : 14,328.38 = 9,547.16 : x
  2. Step 2: Convert to fraction form
    10,383.08/14,328.38 = 9,547.16/x
  3. Step 3: Cross multiply
    10,383.08x = 14,328.38 × 9,547.16
  4. Step 4: Simplify right side
    10,383.08x = 136,795,288.67
  5. Step 5: Solve for x
    x = 136,795,288.67/10,383.08
  6. Step 6: Final answer
    x = 13,174.83

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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.