Home / 12,746.02-17,587.17-7,709.53

Finding the Fourth Proportional to 12,746.02, 17,587.17 and 7,709.53

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Solution

The fourth proportional to 12,746.02, 17,587.17 and 7,709.53 is: 10,637.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,746.02 : 17,587.17 = 7,709.53 : x
  2. Step 2: Convert to fraction form
    12,746.02/17,587.17 = 7,709.53/x
  3. Step 3: Cross multiply
    12,746.02x = 17,587.17 × 7,709.53
  4. Step 4: Simplify right side
    12,746.02x = 135,588,814.73
  5. Step 5: Solve for x
    x = 135,588,814.73/12,746.02
  6. Step 6: Final answer
    x = 10,637.74

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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.