Home / 10,464.51-14,450.40-7,807.31

Finding the Fourth Proportional to 10,464.51, 14,450.40 and 7,807.31

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Solution

The fourth proportional to 10,464.51, 14,450.40 and 7,807.31 is: 10,781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,464.51 : 14,450.40 = 7,807.31 : x
  2. Step 2: Convert to fraction form
    10,464.51/14,450.40 = 7,807.31/x
  3. Step 3: Cross multiply
    10,464.51x = 14,450.40 × 7,807.31
  4. Step 4: Simplify right side
    10,464.51x = 112,818,680.17
  5. Step 5: Solve for x
    x = 112,818,680.17/10,464.51
  6. Step 6: Final answer
    x = 10,781.08

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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.