Home / 10,580.31-14,596.65-7,392.78

Finding the Fourth Proportional to 10,580.31, 14,596.65 and 7,392.78

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Solution

The fourth proportional to 10,580.31, 14,596.65 and 7,392.78 is: 10,199.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,580.31 : 14,596.65 = 7,392.78 : x
  2. Step 2: Convert to fraction form
    10,580.31/14,596.65 = 7,392.78/x
  3. Step 3: Cross multiply
    10,580.31x = 14,596.65 × 7,392.78
  4. Step 4: Simplify right side
    10,580.31x = 107,909,822.19
  5. Step 5: Solve for x
    x = 107,909,822.19/10,580.31
  6. Step 6: Final answer
    x = 10,199.12

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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.