Home / 10,651.02-14,712.75-9,657.42

Finding the Fourth Proportional to 10,651.02, 14,712.75 and 9,657.42

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Solution

The fourth proportional to 10,651.02, 14,712.75 and 9,657.42 is: 13,340.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,651.02 : 14,712.75 = 9,657.42 : x
  2. Step 2: Convert to fraction form
    10,651.02/14,712.75 = 9,657.42/x
  3. Step 3: Cross multiply
    10,651.02x = 14,712.75 × 9,657.42
  4. Step 4: Simplify right side
    10,651.02x = 142,087,206.11
  5. Step 5: Solve for x
    x = 142,087,206.11/10,651.02
  6. Step 6: Final answer
    x = 13,340.24

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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.