Home / 10,417.18-14,375.65-5,637.12

Finding the Fourth Proportional to 10,417.18, 14,375.65 and 5,637.12

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Solution

The fourth proportional to 10,417.18, 14,375.65 and 5,637.12 is: 7,779.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,417.18 : 14,375.65 = 5,637.12 : x
  2. Step 2: Convert to fraction form
    10,417.18/14,375.65 = 5,637.12/x
  3. Step 3: Cross multiply
    10,417.18x = 14,375.65 × 5,637.12
  4. Step 4: Simplify right side
    10,417.18x = 81,037,192.25
  5. Step 5: Solve for x
    x = 81,037,192.25/10,417.18
  6. Step 6: Final answer
    x = 7,779.19

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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.