Home / 12,307.48-16,972.95-10,885.93

Finding the Fourth Proportional to 12,307.48, 16,972.95 and 10,885.93

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Solution

The fourth proportional to 12,307.48, 16,972.95 and 10,885.93 is: 15,012.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307.48 : 16,972.95 = 10,885.93 : x
  2. Step 2: Convert to fraction form
    12,307.48/16,972.95 = 10,885.93/x
  3. Step 3: Cross multiply
    12,307.48x = 16,972.95 × 10,885.93
  4. Step 4: Simplify right side
    12,307.48x = 184,766,345.59
  5. Step 5: Solve for x
    x = 184,766,345.59/12,307.48
  6. Step 6: Final answer
    x = 15,012.52

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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.