Home / 10,303.32-14,218.51-5,587.60

Finding the Fourth Proportional to 10,303.32, 14,218.51 and 5,587.60

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Solution

The fourth proportional to 10,303.32, 14,218.51 and 5,587.60 is: 7,710.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.32 : 14,218.51 = 5,587.60 : x
  2. Step 2: Convert to fraction form
    10,303.32/14,218.51 = 5,587.60/x
  3. Step 3: Cross multiply
    10,303.32x = 14,218.51 × 5,587.60
  4. Step 4: Simplify right side
    10,303.32x = 79,447,346.48
  5. Step 5: Solve for x
    x = 79,447,346.48/10,303.32
  6. Step 6: Final answer
    x = 7,710.85

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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.