Home / 11,101.04-16,570.58-9,699.76

Finding the Fourth Proportional to 11,101.04, 16,570.58 and 9,699.76

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Solution

The fourth proportional to 11,101.04, 16,570.58 and 9,699.76 is: 14,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,101.04 : 16,570.58 = 9,699.76 : x
  2. Step 2: Convert to fraction form
    11,101.04/16,570.58 = 9,699.76/x
  3. Step 3: Cross multiply
    11,101.04x = 16,570.58 × 9,699.76
  4. Step 4: Simplify right side
    11,101.04x = 160,730,649.06
  5. Step 5: Solve for x
    x = 160,730,649.06/11,101.04
  6. Step 6: Final answer
    x = 14,478.88

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.