Home / 10,365.02-14,312.67-8,887.58

Finding the Fourth Proportional to 10,365.02, 14,312.67 and 8,887.58

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Solution

The fourth proportional to 10,365.02, 14,312.67 and 8,887.58 is: 12,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,365.02 : 14,312.67 = 8,887.58 : x
  2. Step 2: Convert to fraction form
    10,365.02/14,312.67 = 8,887.58/x
  3. Step 3: Cross multiply
    10,365.02x = 14,312.67 × 8,887.58
  4. Step 4: Simplify right side
    10,365.02x = 127,204,999.64
  5. Step 5: Solve for x
    x = 127,204,999.64/10,365.02
  6. Step 6: Final answer
    x = 12,272.53

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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.