Home / 13,165.02-18,167.16-7,196.76

Finding the Fourth Proportional to 13,165.02, 18,167.16 and 7,196.76

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Solution

The fourth proportional to 13,165.02, 18,167.16 and 7,196.76 is: 9,931.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.02 : 18,167.16 = 7,196.76 : x
  2. Step 2: Convert to fraction form
    13,165.02/18,167.16 = 7,196.76/x
  3. Step 3: Cross multiply
    13,165.02x = 18,167.16 × 7,196.76
  4. Step 4: Simplify right side
    13,165.02x = 130,744,690.40
  5. Step 5: Solve for x
    x = 130,744,690.40/13,165.02
  6. Step 6: Final answer
    x = 9,931.22

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Double scale
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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.