Home / 10,345.02-14,276.13-5,629.32

Finding the Fourth Proportional to 10,345.02, 14,276.13 and 5,629.32

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Solution

The fourth proportional to 10,345.02, 14,276.13 and 5,629.32 is: 7,768.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.02 : 14,276.13 = 5,629.32 : x
  2. Step 2: Convert to fraction form
    10,345.02/14,276.13 = 5,629.32/x
  3. Step 3: Cross multiply
    10,345.02x = 14,276.13 × 5,629.32
  4. Step 4: Simplify right side
    10,345.02x = 80,364,904.13
  5. Step 5: Solve for x
    x = 80,364,904.13/10,345.02
  6. Step 6: Final answer
    x = 7,768.46

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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.